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Oroco Resource Corp. reports developments tied to advancing the Santo Tomás porphyry copper project in northwestern Mexico. Company news commonly covers diamond drilling, mineral-resource classification work, Pre-Feasibility Study programs, baseline environmental and permitting work, and project infrastructure context, including access to port, highway, rail, power and natural gas corridors.
Oroco updates also include capital-structure actions, financing proceeds directed toward project work and general working capital, shareholder and securities matters, and governance changes affecting senior leadership and board oversight.
Oroco Resource (ORRCF) reported fourth-batch Phase 2 drill assays from ten holes (S035–S044) in the South Zone of the Santo Tomás copper project in Mexico.
Highlights include 57.4 m at 0.72% CuEq from 108 m in S035, 103 m at 0.58% CuEq from 98 m in S039, 154 m at 0.51% CuEq from 131 m plus 14 m at 0.83% CuEq in S040, and a continuous 369.3 m from surface at 0.45% CuEq in S042. Holes S038 and S041 ended in mineralization roughly 200 m and 90 m, respectively, below current PEA pit limits, suggesting potential resource extensions subject to future modelling and economic tests.
Phase 2 has completed 42 holes totaling 12,649.3 m, aimed at upgrading South Zone resources and gathering data for a PFS. Oroco is also applying Geopyörä core testing and updated CuEq calculations based on 12‑month trailing metal prices to refine the mine plan and throughput estimates.
Oroco Resource (OTCQB: ORRCF; TSX-V: OCO) reported Phase 2 South Zone drilling results at the Santo Tomás copper project, covering holes S027 and S030–S034. Key intercepts include hole S033 with 26.48 m grading 0.90% Cu and 1.18% CuEq from 48 m, within a broader 114.7 m interval at 0.44% Cu and 0.54% CuEq.
Holes S031 and S034 extended mineralization westward beyond the current inferred block model, while holes S027, S030 and S032 defined the southern limit, including mixed oxide-sulphide zones with up to 0.80% CuTot over 49 m. Phase 2 aims to upgrade Inferred to Indicated resources and gather PFS data, with a Pre-Feasibility Study targeted for Q2/Q3 2027. Copper equivalents use updated metal prices and variable recovery curves from the 2024 Technical Report.
Oroco Resource (OTC: ORRCF) reported preliminary reconnaissance results from the Vainilla Project in northern Sinaloa, Mexico, including a selective rock-chip sample from the El Platano breccia pipe grading 7.57% copper. Mapping has defined three main mineralized areas (El Platano, Mazomique, Cristina), and a property-wide, high-resolution drone magnetic survey has been completed over about 3,114 hectares along 707 line kilometres.
The Vainilla concession covers 2,973.7 hectares, about 17 km south of Oroco’s Santo Tomás Project, and is held under an option to acquire 100% subject to TSX Venture Exchange approval. Sampling was selective and designed to identify targets, not to define resources or average grades. Oroco is integrating magnetic, geological and geochemical data, prioritizing follow-up work and has initiated drilling permit applications, while continuing to advance the larger Santo Tomás copper project supported by an August 2024 MRE and PEA.
Oroco (OTCQB: ORRCF) reported Phase 2 drilling results from the South Zone of the Santo Tomás copper project in Mexico, covering holes S025, S026, S028 and S029.
Intervals include up to 48.6 m at 0.56% Cu / 0.67% CuEq and near-surface mineralization that supports a low-strip mine plan. Twenty-two Phase 2 holes totaling 6,709 m are complete, a third rig is on site, and the company targets a Pre-Feasibility Study in Q2/Q3 2027.
Oroco Resource (OTCQB: ORRCF) appointed Charles Cryer as Chief Executive Officer and Director, effective June 16, 2026. He brings over 30 years of global capital markets and natural resources experience plus an engineering background to lead the Santo Tomás copper project.
According to Oroco, Cryer received a three-year option on up to 900,000 shares at $0.65, vesting in five equal quarterly instalments starting June 16, 2026, subject to TSX Venture Exchange acceptance.
Oroco Resource (OTCQB: ORRCF) has mobilized a second diamond drill rig to the Santo Tomás South Zone on April 22, 2026 to accelerate its Phase 2 drilling program. Six holes are complete, two more are in progress, and core from holes STPH2-22 and STPH2-23 has been submitted for assay.
The Phase 2 program targets infill and confirmation drilling to support an updated Mineral Resource Estimate (MRE) and a Pre-Feasibility Study (PFS), alongside hydrogeological, geotechnical, and metallurgical workstreams needed for study inputs.
Oroco Resource Corp (OTC: ORRCF) announced that Chief Executive Officer and director Richard Lock will resign for personal reasons, effective April 30, 2026. The Board thanked Mr. Lock for his service and formed a committee to search for a new CEO.
The company said it will continue work to complete its Pre-Feasibility Study under Board and senior management with on-site technical teams and industry consultants, and will provide updates on the CEO search in due course.
Oroco Resource Corp (OTCQB: ORRCF) mobilized a diamond drill rig to the Santo Tomás South Zone and commenced Phase 2 drilling on Feb 24, 2026 to support resource-classification upgrades.
Initial work prioritizes infill and confirmation drilling to refine the geological and grade model. In parallel, Oroco will advance Pre-Feasibility Study programs covering hydrogeological, geotechnical and metallurgical testing to reduce technical risk and support future mine planning.
Oroco Resource Corp (OTC: ORRCF) granted 7,050,000 incentive stock options to 25 recipients at an exercise price of $0.85 and a 3‑year term, pending TSX Venture Exchange approval. 3,425,000 options went to officers/directors/senior management. All options vest in four installments; 14,185,000 options are now outstanding (4.4% of shares).
Chairman Craig Dalziel tied the grant to a recent financing and the start of a Phase 2 Santo Tomas drill program and ongoing work toward a Pre‑Feasibility Study.
Oroco Resource (OTCQB: ORRCF, TSXV: OCO) invites investors to meet at Booth #927 at the Vancouver Resource Investment Conference (VRIC) on January 25–26, 2026 at Vancouver Convention Centre West.
The company will discuss progress on the Santo Tomas porphyry copper project in Northwest Mexico. VRIC features over 120 speakers, a marketplace of more than 300 investment opportunities, and attendance of over 5,000 industry professionals, offering networking and sector insights. Contact investor relations for meeting requests.