202616 releases
RIVERSIDE RESOURCES OPTIONS CECILIA PROJECT, SONORA, MEXICO TO CALU
An option agreement has been completed with Calu Resources Corp, under which Calu can earn a 100% interest in the Cecilia Project in Sonora, Mexico by making aggregate cash and share payments of C$1,200,000 and funding C$6,650,000 in exploration expenditures over five years; Calu has paid the initial C$50,000. Riverside's subsidiary Ravena Resources will operate the exploration programs for a 10% management fee, and Riverside retains an existing 2.0% NSR royalty.
AcquisitionRIVERSIDE RESOURCES INTERSECTS NEAR-SURFACE GOLD AND BASE METAL MINERALIZATION AT UNION NORTE AND ADVANCES MULTIPLE TARGETS FOR PHASE 2B DRILLING
Phase 2A drilling at the Union Project in northwest Sonora, Mexico returned 14.60 m of 0.45 g/t Au Eq from 1.0 m, including 4.60 m of 1.09 g/t Au Eq from 8.00 m, in hole UND26-015 at Union Norte, and 9.10 m of 0.76 g/t Au Eq from 1.90 m, including 1.5 m of 3.38 g/t Au Eq, in UND26-014. Seven holes totaling 530.1 metres were completed. An IP survey at Luis Hill outlined a chargeability anomaly over 1 km along strike. Phase 2B drilling is planned after the monsoon season ends in early October 2026, with a reverse-circulation contractor under evaluation. Questcorp Mining Inc. is earning into the project under an option agreement.
Drill resultsRIVERSIDE RESOURCES EXECUTES OPTION AGREEMENT FOR THE REVEL CARBONATITE RARE EARTH ELEMENT PROJECT, BRITISH COLUMBIA
An option agreement has been signed with private British Columbia company 1575540 B.C. Ltd., allowing it to acquire 100% of Riverside's Revel carbonatite rare earth project near Seymour Arm, north of Revelstoke, British Columbia, for cash payments totalling $450,000 and exploration expenditures of up to $2,200,000 over a five-year period from the February 18, 2026 effective date. Riverside would retain a 3% NSR, subject to buy-down rights, and the project reverts to Riverside if the option is not completed. Airborne geophysics and field work are planned for summer 2026, funded by the partner.
AcquisitionRIVERSIDE RESOURCES EXPANDS BRITISH COLUMBIA MINERAL TENURES FOR RARE EARTH ELEMENTS (REE) AND GOLD-COPPER
Mineral title has been received for expanded property packages at the Revel and Red Jacket projects in south-central British Columbia, nearly doubling the tenure area at Red Jacket and adding about 30% at Revel. Revel is a carbonatite REE district about 20 km from Seymour Arm, where Riverside has outlined a 12-kilometre-long undrilled carbonatite REE system; Red Jacket is a VMS target 15 km east of Clearwater with a 4-kilometre-long trend. Airborne geophysics and field work are planned in the coming weeks.
CorporateRIVERSIDE RESOURCES COMPLETES FIRST FINANCING FOR RAVENA RESOURCES CORP. IN ADVANCE OF PROPOSED TSX VENTURE SPINOUT
An internal reorganization renamed subsidiary RRI Holdings Limited to Ravena Resources Corp., which completed a non-brokered private placement of 4,962,815 common shares at C$0.20 per share for gross proceeds of C$992,563, with no finder's fees or warrants. Ravena holds five Sonora, Mexico exploration projects — Los Cuarentas (flagship, approximately 807 hectares), Cecilia, Ariel, El Valle and Suaqui Grande — and is targeting a TSX Venture listing in the first half of 2027, subject to Exchange acceptance, further financings and shareholder approval.
FinancingRIVERSIDE RESOURCES AND QUESTCORP COMPLETE GEOPHYSICS PROGRAMS AND CONTINUE DRILLING AT LA UNION PROJECT
Aeromagnetic drone and induced polarization ground surveys have been completed at the La Union Project in Sonora, Mexico, operated by Riverside Resources with partner Questcorp Mining. The drone survey covered 248 km in total, comprising 145 flight lines totaling 193 km and 20 tie lines totaling 55 km, flown at 100 m line spacing; processed IP results from five lines are expected soon. Drilling is finished at Union and Union North, and is ongoing at Jabali.
Drill resultsRiverside Resources Appoints Marco Strub as New Director and Announces Results Annual General Shareholders Meeting
Marco Strub has been appointed an Independent Director of Riverside Resources, effective immediately, replacing James Ladner, who did not stand for re-election. At the Annual General Meeting held June 4, 2026, 6,365,550 shares were voted, representing 6.81% of the 93,443,464 shares outstanding; shareholders set the board at five directors, elected Strub and re-elected John-Mark Staude, James Clare, Walter Henry and Bryan Wilson each with 99.88% support, appointed Davidson & Company LLP as auditors and re-approved the stock option plan.
ManagementRiverside Resources and Questcorp Announce Commencement of Phase 2 Drilling at Union Project, Sonora, Mexico
Phase 2 drilling has begun at the Union (La Union) Project in northwest Sonora, Mexico, operated by Riverside in partnership with Questcorp Mining Inc., which is earning into the project under a May 6, 2025 option agreement. The fully funded program comprises roughly 1,500 metres across 8 to 10 diamond drill holes averaging 180 metres deep, testing more than five target areas across the 25 km² property for sediment-hosted gold and carbonate replacement gold-silver-zinc mineralization.
Drill resultsRiverside Resources and Questcorp Complete Expanded Aeromagnetic Drone Survey at La Union Project
An expanded aeromagnetic drone survey has been completed at the La Union Project in Sonora, Mexico, with partner Questcorp, adding 145 flight lines (193 km) plus 55 km in 20 tie lines for 248 km of total coverage at 100 m line spacing, building on the 2025 baseline dataset. The data will refine targets for a fully permitted summer 2026 drill program, with drill roads and pads under construction. An induced polarization survey of 5 lines is planned to start shortly, concurrent with drilling.
Drill resultsRiverside Resources Reports High-Grade Gold, Silver and Base Metal Assays from Phase 2 Field Work at La Union Project
Phase 2 channel sampling at the La Union Project in Sonora, Mexico returned 2.9 m averaging 20 g/t gold and 1.83% zinc at the historical Union Mine, including 0.6 m at 91.7 g/t gold and a 0.3 m interval at 40% zinc. At Union Norte, 1.0 m graded 4.38 g/t gold, 1,413 g/t silver, 7.7% lead and 6.38% zinc. Three new target areas — Jabalí, La Negra and Ali Hill — were defined, with Phase 2 drilling scheduled for early summer 2026 with partner Questcorp.
Drill resultsRiverside Resources and Questcorp Launch Phase 2 Exploration Program at La Union Project, Sonora, Mexico
A Phase 2 exploration program has begun at the La Union Project in Sonora, Mexico, funded by Questcorp, with teams mobilized across four main target areas for geological mapping, geochemistry, geophysics and a property-wide structural analysis. The work follows the 12-hole Phase 1 drill program announced January 22, 2026, which returned 42m grading 0.3 g/t gold at Luis Hill. An expanded aeromagnetic drone survey is running concurrently to support drill targeting ahead of a drilling program planned for early summer 2026.
Drill resultsRiverside Resources and Questcorp Consolidate Key Mineral Concession for Union Project, Sonora, Mexico
Three mineral concessions in the Famosa Area of the Union Project in Sonora, Mexico — La Famosa, Dana 7 and Dana 7 (titles 199006, 220840, 220841, valid 1994-2044 and 2003-2053) — have been transferred from Pacific Comox S.A. de C.V. to Riverside's subsidiary RRM Exploración S.A.P.I. de C.V. following a final payment of US$125,000, completing an option from an August 2021 agreement for total consideration of US$175,000 with no royalty attached. Riverside is advancing Union with Questcorp, which funds up to C$5.5 million in exploration while Riverside retains a 2.5% NSR.
AcquisitionRiverside Resources Expands Porphyry Copper Targets at Ariel Project, Sonora, Mexico
Early 2026 rock chip sampling at the 100%-owned Ariel copper project in Sonora, Mexico returned up to 320 g/t Ag, 5.39% Pb and 0.657 g/t Au from veins at the Maria Luisa target in the north, with other results including 225 g/t Ag and 3.14% Pb. Ariel covers 1,640 hectares (16 km²) across five concessions about 18 km east-southeast of the La Caridad complex, and is drill-permitted with porphyry copper and epithermal targets. Riverside says the project is available for partnership.
Drill resultsRiverside Resources and Questcorp Chip-Channel Sample High Grade Gold-Silver 30m @ 20 g/t Gold and 226 g/t Silver and Announce Drill Results from Union Project
Chip-channel sampling along the Union Mine decline wall at the La Union Project in Sonora, Mexico returned 30 m grading 20.2 g/t gold, 226 g/t silver and 2.7% Zn, with a 24 m subset averaging 25 g/t Au and 277 g/t Ag. Riverside and Questcorp also reported the final six holes of the 12-hole, 1,600 m Phase 1 program at Union Mine, Union Norte and El Cobre, which intersected CRD-style mineralization and anomalous zinc, silver, gold and lead. A Phase 2 program is planned for H1 2026.
Drill resultsRiverside Resources Options Prospective Ground with past Drilling to Double the Size of the Jacket Property in Central British Columbia
An option agreement signed with private group Geo Exploration Scouts gives Riverside Resources the Redtop claims, contiguous and north of its Jacket property in central British Columbia, doubling the land package into the Red Jacket Project; terms total $180,000 cash and $750,000 in expenditures, with a 0.45% NSR royalty subject to a $1,000,000 buyout, and are subject to TSXV approval. November 2025 grab samples from the Sunrise and Snow trenches returned up to 24.4% Zn, 2.78% Pb, 0.43% Cu, 217 g/t Ag and 866 ppb Au.
Drill resultsRiverside Resources Corporate Outlook and Milestones for 2026
A 2026 outlook sets plans to advance the Red Jacket, Revel and Deer Park gold and REE projects in British Columbia, complete assaying of the 12-hole, over 1,600 metre partner-funded Phase 1 drill program at the Union Project in Sonora with assays pending in Q1 2026, and market the Cecilia Project for an option or partnership. Riverside closed a C$3.7 million non-brokered private placement of 18,460,000 units on December 1, 2025 with investors including Rick Rule, Sprott Wealth Management and Metallum, leaving about 93 million shares outstanding and no debt.
Corporate