Announcement • Mar 14

Rush Gold Corp. Samples 2,770 G/T Silver and 2.4 G/T Gold At Legal Tender, Extends Skylight Property Gold Trend to 1.2 Km

Rush Gold Corp. announced results of 2025 surface rock geochemical sampling completed at its Legal Tender and Skylight properties. The Legal Tender and Skylight properties are five kilometres apart, and both are located approximately 60 kilometers northwest of Tonopah, Nevada within the Royston Hills Republic Mining District, Nye County. The 2025 Phase 1 geologic reconnaissance was designed to advance known gold and silver rock showings and ground truth satellite derived alteration anomalies. Rock geochemical sample results summarized below include the highest-grade silver value returned to date at Legal Tender, in addition to expansion of the Skylight gold trend to 1.2 km. Of the 94 rock grab samples collected within the Legal Tender (60) and Skylight (34) properties, a total of 9 samples returned greater than 0.1 grams-per-tonne (g/t) gold (Au) and up to 2.41 g/t Au (Legal Tender); in addition to 9 samples greater than 20 g/t silver (Ag) and up to 2,770 g/t Ag (81 ounces/ton at Legal Tender). Highlights of the recently completed surface rock sampling are as follows: Highest grade silver assay returned to date at Legal Tender of 2,770 g/t Ag (81 ounces/ton), in addition to 292 g/t Ag, and 105 g/t Ag; in addition to gold assays of 1 g/t Au and 2.41 g/t Au at the Hyland Target. Current and historic rock sampling cements the Hyland target as the priority drill target within the Legal Tender Property, with a combined 400 metre northwest trending strike length, exhibiting laterally persistent vein system development exploited by numerous historic exploration pits and inclined shafts. Widespread anomalous gold and silver values were returned from the Skylight Property over a 1.2 km north-south trend, which included: 0.23 g/t Au and 4.8 g/t Ag; 0.1 g/t Au and 3.8 g/t Ag; 0.19 g/t Au and 2.7 g/t Ag; and 0.13 g/t Au. Gold-silver assays within the Skylight Property are associated with elevated arsenic values, and visible hydrothermal clay-kaolinite alteration, quartz veining and brecciated felsic rhyolite volcanic rocks consistent with a high-level low sulphidation epithermal environment. The Company confirms that it has received the final WorldView-3 (WV-3) satellite alteration imagery processing report from PhotoSat. The Company’s technical team is currently integrating rock grab assays announced today with surface rock visible and short wave infra-red (VIS-SWIR) hyperspectral TerraSpec analysis, and WV-3 satellite alteration imagery. The result of this combined study is expected to expand existing gold silver targets and identify new exploration opportunities for additional ground follow up. A comprehensive review and integration of surface rock and satellite alteration targets is expected to be released in the coming weeks. Table 1: Legal Tender and Skylight Properties Significant Rock Assay Results Sample ID Property Au (g/t) Ag (g/t) Cu (%) Pb (%) Zn (%) E07102 Legal Tender - 25 - - 0.09 E07121 0.19 105 - - - E07153 0.11 167 - - - E07172 1.01 2,770 0.21 0.47 0.23 E07176 - 39 - - 0.07 E07206 - 48 - - - E07207 0.37 787 0.10 0.76 1.28 E07253 2.41 292 0.10 0.08 0.02 E07254 - 29 - - 0.05 E07116 Skylight 0.23 5 - - - E07129 0.13 0 - - - E07137 0.10 4 - - - E07140 0.19 3 - - - Methodology and QA/QC The analytical work reported on herein was performed by ALS Global (“ALS”), Kamloops, Canada. ALS is an ISO-IEC 17025:2017 and ISO 9001:2015 accredited geoanalytical laboratory and is independent of Rush. and its qualified person, Kristopher Raffle. Rock samples were subject to crushing at a minimum of 70% passing 2 mm, followed by pulverizing of a 250-gram split to 85% passing 75 microns. Base and precious metals were determined via four-acid digestion 48 element ICP-MS geochemistry and overlimit values for silver (100 g/t) and zinc (>10,000 g/t) were analyzed via four-acid digestion ICP-AES or AAS. Gold, and silver values returning greater than 1,500 g/t were analyzed by 30-gram fire-assay with AAS or gravimetric finish. Rock grab samples are selective by nature and as such are not necessarily representative of mineralization or grades across defined intervals.

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Rush Gold Corp. Samples 2,770 G/T Silver and 2.4 G/T Gold At Legal Tender, Extends Skylight Property Gold Trend to 1.2 Km

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