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2026-11-06

← GHM management

Full background report

Dean Vallve

Chief Operating Officer

Career chronology

  • Current role at cutoff; start date not established in the reviewed records: Golden Horse Minerals — Chief Operating Officer. Board and Management (Issuer management page, Dean Vallve entry)

  • Commenced 2025-10-20: Golden Horse Minerals — Chief Operating Officer. Golden Horse Appoints Chief Operating Officer (Appointment announcement, biography and commencement date)

  • Prior role; exact dates not stated: Brightstar Resources — Senior leadership roles, including Chief Development Officer. Golden Horse Appoints Chief Operating Officer (Prior senior roles paragraph)

  • Prior role; exact dates not stated: Calidus Resources — Senior operational leadership; development of Warrawoona Gold Project. Golden Horse Appoints Chief Operating Officer (Prior senior roles paragraph)

  • More than ten years before executive roles; exact dates not stated: WA resources sector — Site-based geology and engineering roles across open pit and underground operations. Golden Horse Appoints Chief Operating Officer (Career history paragraph)

Contributions and company outcomes

Golden Horse reported funded exploration and portfolio growth

2025 · issuer reported · medium materiality

Golden Horse’s audited 2025 accounts report A$43.7 million cash at year end versus A$15.0 million in 2024 and a material increase in deferred exploration and evaluation costs. The company also announced a A$15 million placement in June 2025 and acquired the Sorrel copper project in July 2025. These company financing and portfolio outcomes do not establish personal executive contribution or successful mine development.

Attribution: Role overlaps event; causation unproven. The cited filings do not isolate an individual executive’s causal contribution.

Relevance: Provides financial and corporate execution context for senior management.

Full Year Statutory Accounts December 2025 (Statements of financial position and Note 8); Full Year Statutory Accounts December 2025 (Nature of the Sorrel asset acquisition; 2025 annual accounts)

Suitability for the current role

Relevance of current Chief Operating Officer role

Current at 2026-10-09 · analyst inference · medium materiality

The issuer identifies Dean Vallve as Chief Operating Officer. This role is relevant to the company's current mining stage and needs; this is an analyst role-fit inference based on the disclosed title and company profile, not evidence of past personal performance. The reviewed sources do not establish a complete prior-employer chronology, independently verified credentials or full concurrent-interest list.

Attribution: Responsibility not applicable. This is a role-fit judgment, not an outcome or misconduct finding.

Relevance: Assesses alignment of disclosed responsibilities with current company needs.

Board and Management (Issuer management page, Dean Vallve entry)

Operational and project delivery background

Prior roles and appointment effective 2025-10-20 · analyst inference · medium materiality

Appointment disclosure says Vallve has about 20 years in operational management, project delivery and technical leadership; prior senior roles at Brightstar and Calidus involved development of Warrawoona, management of the profitable Selkirk Mining JV and several feasibility studies to DFS level. The issuer says he holds a BSc in Mineral Exploration and Mining Geology and Graduate Diploma in Mining from WASM, an MBA and WA First Class Mine Manager’s Certificate. These are issuer claims, with limited project-level benchmarks and no independent qualification checks.

Attribution: Employer context; no individual link established. Prior employer/project milestones are not individually quantified or independently attributed to Vallve alone.

Relevance: Mine operations, feasibility and project delivery background fits COO responsibilities.

Golden Horse Appoints Chief Operating Officer (Appointment announcement, prior roles, education and certificates)

Evidence gaps

  • Issuer biographies provide abbreviated careers rather than complete dated employment histories; some roles, achievements and credentials remain issuer-reported.

  • The CRA late-filing issue is resolved as to outstanding returns and assessed tax, but penalties/interest remain payable or under follow-up; individual responsibility is not established.

  • Focused web adverse searches did not amount to full regulator, court, credential, safety or environmental database searches across all former employers; no clearance conclusion is implied.