James Thomson

Career chronology

• Listed in 2025 and 2026 annual reports: Deterra Royalties — Senior Resource Geologist. 2025 annual report (printed p.13); 2026 annual report and Appendix 4E (printed p.11)

• Before Deterra; exact positions and dates unavailable: BHP and Mineral Resources — Issuer-reported exploration and geological roles. Board and team (James Thomson biography)

Education and qualifications

Issuer-reported geology and commerce degrees

Undated · issuer reported · medium materiality

Deterra reports a UWA BSc with first-class geology honours and BCom and AusIMM membership. These have not been independently verified.

Attribution: Responsibility not applicable. The source supports the described role, not an attribution of other actions.

Relevance: Relevant to assessment of the person’s role and evidence quality.

Board and team (James Thomson biography)

Suitability for the current role

Resource evaluation background

Assessment through 31 October 2026 · analyst inference · medium materiality

Deterra reports that Thomson led exploration drilling programs at BHP and Mineral Resources and developed modelling and resource-evaluation skills; no named projects or quantified personal outcomes were independently established.

Attribution: Responsibility not applicable. The source supports the described role, not an attribution of other actions.

Relevance: Relevant to assessment of the person’s role and evidence quality.

Board and team (James Thomson biography)

Evidence gaps

• Exact prior roles, named projects and contribution outcomes were not independently verified.

• Degree and professional membership were not checked with the issuing bodies.