Riverside Resources Reports High-Grade Gold, Silver and Base Metal Assays from Phase 2 Field Work at La Union Project

Vancouver, British Columbia--(Newsfile Corp. - May 5, 2026) - Riverside Resources Inc. (TSXV: RRI) (OTCQB: RVSDF) (FSE: 5YY0) ("Riverside" or the "Company"), is pleased to report Phase 2 field work results from the La Union Project in Sonora, Mexico. Sampling of near-surface oxidized mine workings returned very high-grade assays that reinforce drill targets ahead of the upcoming program.