# James Thomson Senior Resource Geologist ## 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 [thomson_edu] 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 [thomson_fit] 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.