Tower Resources Receives Permit for New Diamond Drilling Program at Rabbit North

About this update from Tower Resources Ltd.

To Close the Untested Gap Between the Thunder North and Blue Sky Gold Zones, Extend the Thunder Zone Further West and Investigate an Outlying Historical Au Occurrence 1 Km Northeast of Blue Sky Vancouver, British Columbia--(Newsfile Corp. - April 23, 2026) - Tower Resources Ltd. (TSXV: TWR) ("Tower" or the "Company") is pleased to report that its application to resume diamond drilling on its Rabbit North orogenic gold discovery in the heart of the Kamloops porphyry Cu mining district (see Fig. 1) has been approved and mobilization of the drill rig is underway. Fifteen new drill sites have been approved and drilling is planned at a minimum of ten sites with a possible second hole at some sites. In addition, Hole 73 which was started in December to test the high-grade Thunder North gold zone at depth (see March 18, 2026 press release) will be extended southeast to its targeted 300 m depth. As the gold zones tend to dip southeast, most of the other drill sites are positioned for shorter, more efficient, northwest-oriented drill holes. The main focus will be on closing the untested gap between the Thunder North and Blue Sky gold zones and extending the Thunder zone westward. A historical gold intersection 1 km northeast of Blue Sky will also be investigated. All but the latter target are "blind" because the gold-hosting Mesozoic basement rocks are covered by both glacial till and Miocene basalt lava flows. Figure 1 - Geology of the central part of the Rabbit North property showing the major shear structures controlling Tower's gold discoveries. These shear zones are roughly coincident with more recent graben fault valleys that have been infilled by Chilcotin basalt flows. The yellow stars mark the locations of the main Au intersections in the initial discovery holes on the gold zones. Areas targeted in the current drill program are highlighted. Figure 2 - Significant gold intersections in the Thunder and Thunder North zones. Areas targeted in the current drill program are highlighted. See Fig. 1 for bedrock lithologies and expanded legend. Thunder North Holes A minimum of four holes are planned to further fill in the 400 m untested gap between the Thunder North and Blue Sky zones (see Figs. 1 and 2). Drilling will begin on the ridge at Blue Sky and proceed downslope at 50 m intervals toward Thunder North. Thunder Extension Approximately five holes will b...

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