Announcement • Jul 17

Rockland Resources Ltd. Reports Assay Results from Cole Gold Mines Project Winter Drill Program

Rockland Resources Ltd. reported assay results from 19 holes completed during the 5,632.5-metre RL-COLE-26 winter drill program at its 100%-owned Cole Gold Mines Project in the Red Lake Mining District of Ontario. The program returned significant gold values in 12 of 19 holes with new results including 79.9 g/t Au over 0.50 metres near surface in RR-26-08, a new drill-confirmed gold zone at Greg Smith Lake approximately 1.1 kilometres southwest of the historic mine, and gold mineralization in all three holes completed during the first drill test of the historically mapped Vein 15 quartz structure. The three Vein 15 holes were drilled from two target areas approximately 225 metres apart along the approximately 1,000-metre mapped structure. Approximately 775 metres of mapped strike remains untested by the current drill program. Fifty-four selected samples remain pending screened metallic fire-assay analysis. These include intervals containing logged visible gold or other indications of coarse gold. Material results from the pending analyses will be reported when received. RR-26-08 intersected 79.9 g/t Au over 0.50 metres from 23.65 metres downhole. Screened metallic fire assay of the same sample returned 36.9 g/t Au, reflecting the variability associated with coarse gold mineralization. The first drilling of the historically mapped Vein 15 structure intersected gold in all three holes completed from two target areas approximately 225 metres apart. The westernmost hole, RR-26-15, intersected 11.30 g/t Au over 1.85 metres from 39.0 metres downhole and a second interval grading 6.23 g/t Au over 1.61 metres from 150.39 metres downhole. First-pass drilling at the Greg Smith Lake Zone intersected 6.57 g/t Au over 2.50 metres in RR-26-09, including 10.71 g/t Au over 1.50 metres. Previously reported results from the historic mine area include 279.00 g/t Au over 0.50 metres and 16.89 g/t Au over 4.00 metres in RR-26-02, and 113.00 g/t Au over 0.50 metres in RR-26-03. Vein 15 is a historically mapped surface quartz vein or vein structure interpreted to extend for approximately 1,000 metres. Prior to the RL-COLE-26 program, Vein 15 had not been drill tested and no reliable historic assay information was available to establish whether the mapped structure contained elevated gold mineralization. Three holes were completed from two drill pads located approximately 225 metres apart along the mapped structure. All three holes intersected gold mineralization. The drilling confirms that Vein 15 and its associated altered and structurally prepared corridors carry gold within the tested area. Approximately 775 metres of the mapped structure remains untested, providing a substantial area for follow-up exploration. Additional drilling will be required to establish the orientation, continuity and true width of the mineralized zones and to determine whether mineralization continues through the untested portions of the mapped structure. RR-26-07 and RR-26-08 tested the eastern Vein 15 area from Pad G. RR-26-08 intersected 79.9 g/t Au over 0.50 metres from 23.65 to 24.15 metres downhole, at approximately 20 metres vertical depth. Screened metallic fire assay of the same sample returned 36.9 g/t Au. The difference between the original fire-assay and screened-metallic results is consistent with the irregular distribution of coarse gold within the sample. Using the screened-metallic result, the high-grade sample forms part of a broader mineralized envelope grading 3.1 g/t Au over 6.85 metres, including 19.4 g/t Au over 1.0 metre. The interval contains logged pyrite, sphalerite and chalcopyrite and occurs within a broader zone of silica-sericite alteration, quartz veining and anomalous gold mineralization. Nearby hole RR-26-07 intersected 8.11 g/t Au over 0.25 metres from 54.29 metres downhole. Screened metallic analysis of the same sample returned 5.25 g/t Au. The hole encountered a broad silica-sericite-altered and sulphide-bearing andesite sequence. Scheelite was also logged near the principal gold interval. RR-26-15 tested the western portion of Vein 15, intersecting several separate gold-bearing intervals from shallow depth to near the bottom of the 500-metre hole. Highlight Results include: 11.30 g/t Au over 1.85 metres from 39.0 metres downhole, consisting of 9.77 g/t Au over 1.0 metre and 13.1 g/t Au over 0.85 metres; 6.23 g/t Au over 1.61 metres from 150.39 metres downhole, consisting of 1.27 g/t Au over 0.65 metres and 9.59 g/t Au over 0.96 metres; These intersections support a developing interpretation that competency contrasts and associated structures along selected lithological contacts influenced quartz veining, alteration and gold deposition in the western Vein 15 area. The upper high-grade samples in RR-26-15 remain pending screened metallic fire-assay analysis. The Greg Smith Lake Zone was identified by Rockland prospectors in 2025 along the shore of Greg Smith Lake, approximately 1.1 kilometres southwest of the historic Cole mineshaft. Previously reported selective surface grab samples from the area returned values of 111 g/t Au and 145 g/t Au. The RL-COLE-26 program provided the first drill test of the target. RR-26-09 intersected 6.57 g/t Au over 2.50 metres from 110.0 metres downhole, including 10.71 g/t Au over 1.50 metres from 111.0 metres. The mineralized interval is hosted by a quartz vein within andesite and confirms that significant gold mineralization continues into bedrock beneath the surface discovery area. The discovery expands the known distribution of significant gold mineralization across more than one kilometre of the Cole property. Seven holes tested the area surrounding the historic Cole mineshaft and underground workings. Previously reported results include: RR-26-02: 279.00 g/t Au over 0.50 metres; RR-26-02: 16.89 g/t Au over 4.00 metres; and RR-26-03: 113.00 g/t Au over 0.50 metres. Additional results include: RR-26-01: 1.95 g/t Au over 2.55 metres from 82.2 metres downhole; RR-26-04: 0.67 g/t Au over 1.50 metres from 87.0 metres downhole; RR-26-05: 7.45 g/t Au over 0.47 metres from 219.94 metres downhole; RR-26-06: 5.92 g/t Au over 0.70 metres from 169.0 metres downhole; RR-26-06: 6.42 g/t Au over 0.50 metres from 224.65 metres downhole; and RR-26-11: 0.65 g/t Au over 7.05 metres from 216.3 metres downhole. The drilling extends known gold mineralization below and beyond the immediate area of the historic workings and identifies additional targets for follow-up drilling. Detailed logging from the RL-COLE-26 program indicates that gold mineralization occurs in several related geological settings. At western Vein 15, multiple high-grade intervals occur directly across contacts between felsic volcanic or felsite rocks and mafic dykes. At eastern Vein 15, near-surface high-grade gold occurs within an altered and quartz-veined andesite sequence immediately below an ultramafic-gabbro-andesite transition.

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