

VANCOUVER, British Columbia, Aug. 24, 2026 (GLOBE NEWSWIRE) -- Riverside Resources Inc. (“Riverside” or the “Company”) (TSX-V: RRI) (OTCQB: RVSDF) (FSE: 5YY0), is pleased to announce that it has entered into an option agreement (the “Option Agreement”) with 1575540 B.C. Ltd., a private British Columbia company (the “Optionee”), pursuant to which the Optionee may acquire a 100% interest in Riverside's Revel carbonatite rare earth element (REE) project located approximately 20 kilometres from the community of Seymour Arm, north of Revelstoke, in southeastern British Columbia (the “Revel Project” or the “Project”) with Riverside retaining a 3% NSR if the option is completed and if not the project returns 100% to Riverside.

VANCOUVER, British Columbia, July 30, 2026 (GLOBE NEWSWIRE) -- Riverside Resources Inc. (“Riverside” or the “Company”) (TSX-V: RRI) (OTCQB: RVSDF) (FSE: 5YY0), is pleased to announce that it has received mineral title for expanded property packages at its Revel and Red Jacket Projects in south-central BC. At Red Jacket, this nearly doubles the mineral tenure area controlled for the project. At Revel, it adds an additional 30% in area. In both cases, the expansion extends Riverside's control over the prospective mineralized belt and covers targets along strike from known mineralization. Riverside's generative program in BC continues to add prospective new projects, expanding the company's footprint in western Canada.

VANCOUVER, British Columbia, July 13, 2026 (GLOBE NEWSWIRE) -- Riverside Resources Inc. (“Riverside” or the “Company”) (TSX-V: RRI) (OTCQB: RVSDF) (FSE: 5YY0) is pleased to announce that it has completed an internal reorganization (the “Reorganization”) of its subsidiary, formerly named RRI Holdings Limited and now renamed Ravena Resources Corp. (“Ravena”), and that Ravena has completed an initial founders' financing (the “Founder Financing”). The Reorganization and Founder Financing are the first steps in Riverside's plan to spin out its portfolio of gold-silver and copper-gold exploration projects in Sonora, Mexico into a separately listed company on the TSX Venture Exchange (the “Exchange” or “TSX-V”), a process that could occur following additional financing and shareholder approval, consistent with Riverside's approach with Capitan Silver (CAPT.V) and Blue Jay Gold (JAY.V) over the past several years.

VANCOUVER, British Columbia, July 09, 2026 (GLOBE NEWSWIRE) -- Riverside Resources Inc. (“Riverside” or the “Company”) (TSX-V: RRI) (OTCQB: RVSDF) (FSE: 5YY0) is pleased to announce, with partner Questcorp Mining Inc. (CSE: QQQ) (OTCQB: QQCMF) (FSE: D910) ("Questcorp"), the completion of expanded geophysical programs linked to the current drilling at the La Union Project, Sonora, Mexico. The programs included an aeromagnetic drone survey and an Induced Polarization ("IP") ground geophysics survey.

Vancouver, British Columbia--(Newsfile Corp. - June 17, 2026) - Riverside Resources Inc. (TSXV: RRI) (OTCQB: RVSDF) (FSE: 5YY0) ("Riverside" or the "Company") is pleased to announce the appointment of Marco Strub as an Independent Director of the Company, effective immediately. Marco is a long-time shareholder of Riverside and has worked with major European investment firms with vast connections in mining networks.

Vancouver, British Columbia--(Newsfile Corp. - June 9, 2026) - Riverside Resources Inc. (TSXV: RRI) (OTCQB: RVSDF) (FSE: 5YY) ("Riverside" or the "Company"), is pleased to announce that the Second Phase drill program has commenced at the Union Project in northwest Sonora, Mexico. This work is being carried out by the Company operating in partnership with Questcorp Mining Inc. (CSE: QQQ), which is earning into the project through an option agreement from Riverside (press release, May 6, 2025).

Vancouver, British Columbia--(Newsfile Corp. - May 21, 2026) - Riverside Resources Inc. (TSXV: RRI) (OTCQB: RVSDF) (FSE: 5YY0) ("Riverside" or the "Company"), with partner Questcorp, the Company has completed an expanded aeromagnetic drone survey at the La Union Project in Sonora, Mexico. The new data refines the drill targets and improves understanding of district-scale geologic structures.

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.
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