Blackrock Gold Corp.

Vancouver, British Columbia--(Newsfile Corp. - May 15, 2025) - Blackrock Silver Corp. (TSXV: BRC) (OTCQX: BKRRF) (FSE: AHZ0) ("Blackrock" or the "Company") announces commencement of a core drilling program for piezometer instrumentation installation, which is a critical path item for the permitting process of the proposed exploration decline, test mining and bulk sample extraction at the Company's Tonopah West project ("Tonopah West") located in Nye and Esmeralda Counties, Nevada. The Company's hydrologic program includes four core holes, totalling 1,565 metres (5,150 ft). Each drillhole will...

HIGHLIGHTS:TXC25-139 cut 9.05 metres grading 367 grams per tonne (g/t) silver equivalent (AgEq) (182.8 g/t silver (Ag) & 2.04 g/t gold (Au)) from 187.5 metres, including 0.82 metres grading 2,886 g/t AgEq (1,411 g/t Ag & 16.13 g/t Au), Ag/Au ratio 90:1;TXC25-150 drilled 2.84 metres grading 671.5 AgEq (367 g/t Ag & 3.41 g/t Au) from 162.3 metres, including 0.76 metres grading 1,554 g/t AgEq ( 819 g/t Ag & 8.14 g/t Au);TXC25-146 intercepted 1.16 metres of 1,111 g/t AgEq (615 g/t Ag & 5.50 g/t Au) from 189.5 metres;Results from the entirety of the M&I Conversion Program h...

HIGHLIGHTS:TXC25-144 cut 10.12 metres grading 467 grams per tonne (g/t) silver equivalent (AgEq) (283 g/t silver (Ag) & 2 g/t gold (Au)), including 3.51 metres of 1,020 g/t AgEq (620 g/t Ag & 4.43 g/t Au);TXC25-145 encountered multiple zones of high-grade mineralization which included 0.67 metres of 3,264 g/t AgEq (2,008 g/t Ag & 13.93 g/t Au) within 11.58 metres grading 327 g/t AgEq (186 g/t Ag & 1.56 g/t Au) and 2.32 metres grading 401 g/t AgEq (242 g/t Ag & 1.76 g/t Au);TXC25-153 drilled 0.7 metres of 724 g/t AgEq (437 g/t Ag & 3.18 g/t Au) within 5.73 metres of 156...