Sierra Grande Minerals Inc. report assay results from its polymetallic B&C Springs Project in Nye County, Nevada. The gold values for these samples were previously disclosed in the Company?s March 23, 2023 press release. Silver values were not previously reported.

The Company is also releasing sample results from the Ford Wells Mine area, the Mildred Mine area, and the Western Extension (Site where sample R875073 was taken at the Mildred Mine Area: 0.16 ppm gold, 142 ppm silver, 6.35% copper). (Site where sample R875098 was taken at the Western Extension Area: 17.35 ppm gold, 495 ppm silver) The Company announced that it has staked an additional 31 claims at B&C Springs, bringing the total claim block to 337 claims. This property expansion ensures that the Company?s claims cover key areas to the south of the historic drilling, and to the north of the magnetic low anomaly. The new claim block is shown on Map 4. Mr. Shaun M. Dykes, M.Sc.

(Eng), P. Geo., Director of the Company, is the designated qualified person for the B&C Springs property and has prepared the technical information contained in this news release.