# Antonio de Castro Senior Consulting Geologist (external) ## Career chronology - **Confirmed in January 2026 disclosure; exact start and current scope unconfirmed: Brazilian Critical Minerals / ADC Geologia** — Senior Consulting Geologist. [December 2025 quarterly report]() (p.12); [FY2026 annual report]() (printed p.15) - **Appointed May 2025; current scope unconfirmed: Axel REE / ADC Geologia** — Consulting Chief Geologist. [Management and technical team changes]() (pp.1–2) - **19 years reported; exact dates unknown: Western Mining Corporation** — Senior mine and exploration geologist. [Management and technical team changes]() (p.2) ## Education and qualifications ### Geology credentials reported by sources [castro_education] 2025–2026 · issuer reported · medium materiality BCM states BSc (Hons), AusIMM and CREA affiliations in its competent-person statement; a business profile reports a Federal University of Rio de Janeiro degree. Neither is direct institutional confirmation. **Attribution:** Responsibility not applicable. Reported qualifications are unverified by the issuing bodies. **Relevance:** Relevant to geological reporting, subject to independent checks. [December 2025 quarterly report]() (p.12, competent person statement); [Antonio de Castro biography]() (biography and qualifications) ## Personal achievements ### Named Ema competent person and technical contributor [castro_ema] 2024–2026 · issuer reported · medium materiality BCM’s 2026 disclosures identify Antonio de Castro as a senior consulting geologist through ADC Geologia and name him as a competent person for its Ema exploration disclosures. Axel’s 2025 appointment release credits him with a key role in Ema discovery and resource definition; this attribution is an issuer statement. **Attribution:** Individual involvement documented. Named competent-person responsibility is documented; the precise share of discovery credit is issuer-reported and not independently quantified. **Relevance:** Relevant experience in Brazilian exploration and technical reporting. [FY2026 annual report]() (printed p.15, competent person statement); [Management and technical team changes]() (p.2, Antonio de Castro biography) ## Governance and interests ### Concurrent external geological mandates [castro_conflict] 2025–2026 · documented · medium materiality BCM describes de Castro as an external senior consulting geologist through ADC Geologia, while Axel REE appointed him consulting chief geologist in May 2025. Third-party profiles label him BCM exploration manager, a title not confirmed in current primary records. **Attribution:** Individual involvement documented. Concurrent consulting relationships are disclosed; no conflict or breach is established. **Relevance:** Important context for technical capacity and independence. [December 2025 quarterly report]() (p.12, competent person statement); [Management and technical team changes]() (pp.1–2, consulting appointment); [BCM company profile and key executives]() (Key executives) ## Suitability for the current role ### Relevant experience with external-client commitments [castro_fit] 31 October 2026 · analyst inference · medium materiality His documented role in Ema technical reporting and background as described by Axel support geological fit, while externally provided services mean title, ongoing scope and time allocation remain uncertain. **Attribution:** Responsibility not applicable. Fit is inference; no unverified technical claims or individual resource value are assigned. **Relevance:** Relevant to project technical oversight. [Management and technical team changes]() (p.2, geologist biography); [FY2026 annual report]() (printed p.15) ## Evidence gaps - BCM management authority and current contract scope beyond the FY2026 report were not independently established; third-party exploration-manager designation differs from issuer consulting title. - Original discovery records and personal contribution beyond issuer statements not independently quantified. - Degree and professional membership not independently verified. - Brazilian name-search results could not be attributed given namesakes; court record details remain unverified.