# James Whittaker SVP and Chief Operating Officer ## Career chronology - **Date not independently established; role reported in issuer source: Capstone Copper** — SVP and Chief Operating Officer. [2025 Annual Information Form]() (Directors and Officers, executive table) ## Education and qualifications ### Role history and reported qualifications [whittaker_background] through October 2026 · issuer reported · medium materiality Capstone reports his 2023 appointment as Chile head and 2025 promotion to COO after roles at BHP Escondida, OceanaGold Haile and Barrick. It reports an extractive-metallurgy degree and executive MBA. **Attribution:** Responsibility not applicable. Positions and education are reported by issuers; independent credential verification is incomplete. **Relevance:** Relevant role history, with limits on dates and credential verification. [Senior and corporate leadership]() (James Whittaker biography); [Second Quarter 2023 Results]() (Management additions: Whittaker) ## Contributions and company outcomes ### Mantoverde commercial production and financial result [whittaker_delivery] 2024–2026 · issuer reported · medium materiality Capstone announced commercial production at its Mantoverde Development Project on 21 September 2024, while noting its 2024 portfolio output was trending toward the low end of guidance and costs slightly above guidance. The October 2026 report said Q3 adjusted EBITDA rose, supported by higher realized metal prices. **Attribution:** Role overlaps event; causation unproven. The milestones and financial outcome are company results and reflect multiple teams and commodity prices; no individual contribution is quantified. **Relevance:** Relevant delivery context with financial and timing limits. [Mantoverde commercial production]() (commercial production and 2024 outlook); [Third Quarter 2026 Results]() (Q3 2026 financial highlights) ## Business failures and setbacks ### Recent production and cost deterioration [whittaker_production] July–October 2026 · issuer reported · medium materiality Capstone reported Q3 2026 copper output of 45,218 tonnes, 18% lower year-on-year, and C1 costs of US$2.95/lb versus US$2.42/lb. It attributed lower production in part to Pinto Valley unplanned maintenance and a planned shutdown; crusher commissioning identified additional repairs. **Attribution:** Role overlaps event; causation unproven. Company-wide outcome during senior management tenure; the sources do not attribute specific decisions or causation to this individual. **Relevance:** Relevant operating and financial context. [Third Quarter 2026 Results]() (Consolidated Production and Pinto Valley) ## Industrial safety ### Four commuting deaths and company labour fine [whittaker_mvcrash] June 2023–January 2025 · documented · high materiality Four Mantoverde workers died in a June 2023 road crash while returning home. In January 2025 a Copiapó appeals court upheld a 60 UTM labour fine against Mantoverde for failure to enforce employee-transport safeguards. The court said the labour-fine dispute did not determine civil accident causation. **Attribution:** Employer context; no individual link established. Whittaker joined as head of Chile on 1 August 2023, after the accident. The cited labour ruling concerns the employer; the reviewed sources do not establish his personal responsibility or civil causation. **Relevance:** A material company safety matter, distinct from on-site fatality metrics. [Four Mantoverde employees die in journey crash]() (7 June 2023 accident report and company statement); [Copiapó court upholds labour fine]() (22 January 2025 appellate decision summary); [Second Quarter 2023 Results]() (Management Additions, James Whittaker appointment) ## Environmental record ### Mantos Blancos regulatory process remains ongoing [whittaker_sma] 2022–October 2026 · documented · medium materiality Chile’s SMA rejected Mantos Copper’s proposed compliance plan in August 2024 within a proceeding opened in 2022. Capstone reports that the operator appealed the rejection but later withdrew that appeal. The SMA register listed the proceeding ongoing when checked at the cutoff. **Attribution:** Role overlaps event; causation unproven. The proceeding concerns the operator; the reviewed sources do not establish this executive’s personal fault. **Relevance:** Relevant to environmental and governance oversight, without inferring wrongdoing. [SMA rejects Mantos Copper compliance plan]() (13 August 2024 rejection); [Mantos Blancos enforcement file D-064-2022]() (D-064-2022 status and documents); [2025 sustainability report, filed copy]() (Business Integrity, regulatory proceedings) ### Mantoverde process-water releases [whittaker_water] 2025, disclosed June 2026 · issuer reported · medium materiality Capstone reports two 2025 releases from the tailings facility downstream slope during construction, totaling one million litres of process water. It says they were reported, investigated and resolved with no permanent environmental impacts identified; independent incident records were not obtained. **Attribution:** Role overlaps event; causation unproven. The company reports the incidents; no personal action or fault is established. **Relevance:** Relevant to tailings and environmental oversight. [2025 sustainability report, filed copy]() (Tailings and Waste, 2025 site performance; Business Integrity incidents) ## Evidence gaps - Independent identity, career and credential verification remains incomplete. - Targeted searches do not establish absence of adverse records or exhaust applicable court, regulatory and local-language sources. - The prior per-person topic search log could not be verified against retained execution records. Topic coverage and absence of adverse records are not established.