Riverside Resources and Questcorp Launch Phase 2 Exploration Program at La Union Project, Sonora, Mexico

Vancouver, British Columbia--(Newsfile Corp. - April 1, 2026) -  Riverside Resources Inc.  (TSXV: RRI) (OTCQB: RVSDF) (FSE: 5YY0) ("Riverside" or the "Company"), is pleased to announce the commencement of the Phase 2 exploration program at La Union Project in Sonora, Mexico. The program builds on the success of the 12-hole Phase 1 drill program announced January 22, 2026, which delivered a new sediment-hosted gold discovery at Luis Hill returning 42m grading 0.3 g/t gold.