Jacob Deysel

Career chronology

• From 15 July 2025: Critica Limited — Chief Executive Officer. Critica appoints global mining executive as CEO (pp.1–2 appointment and biography)

• 2021 to 6 January 2023: Mineral Commodities Limited — Managing Director and CEO. Mineral Commodities annual report 2022 (p.43 biography, departure)

• From February 2009; end date not established: Kenmare Resources — Operations director and COO. Kenmare 2010 prospectus (p.167); Fire incident at Moma Mine (October 2013 operations director)

• Previous roles; full dates unknown: Rio Tinto Richards Bay Minerals; Uranium Energy Corp; Newmont and Gold Fields — Senior operations and executive roles. Critica appoints global mining executive as CEO (p.1 prior roles); Mineral Commodities annual report 2022 (p.43 biography)

Contributions and company outcomes

Two studies completed; funding remains necessary

2026 · documented · medium materiality

Critica released scoping studies for Mt Lindsay and Jupiter by October 2026; neither study is an operating mine or guarantees economic development. Its audited FY2026 report identified material going-concern uncertainty and the 30 October quarterly report disclosed A$3.3m cash at 30 September.

Attribution: Role overlaps event; causation unproven. Deysel was CEO during these company-level events; individual contribution and future outcomes are not established.

Relevance: Relevant to development execution and funding.

Critica annual report 2026 (going concern note and independent auditor report); Critica September 2026 quarterly activities report (pp.1–2 study highlights and cash)

Industrial safety

Moma plant fire and operational recovery

2013 · documented · medium materiality

On 21 October 2013 Kenmare reported a fire at its Moma wet concentrator A, suspended mining pond A and stated no injuries occurred. It sent operations director Deysel to oversee the investigation. Kenmare initially reported the fire followed routine welding; repair and replacement costs in 2013 were US$1.3m. Neither the sources nor this record establish personal fault.

Attribution: Role overlaps event; causation unproven. Kenmare named him operations director and sent him to investigate; no personal causal responsibility established.

Relevance: Relevant to operating-risk oversight at an earlier employer.

Fire incident at Moma Mine (incident and operations director statement); Kenmare Moma fire repairs underway (23 October initial inquiry and repair plan); Kenmare Resources annual report 2013 (2013 financial and operational review)

Governance and interests

MRC rights issue drew Takeovers Panel declaration

2022-10 to 2023-01 · documented · high materiality

The Panel identified Deysel as MRC CEO and a personal underwriter for up to A$100,000 of a 2022 rights issue. It declared the company circumstances unacceptable, citing insufficient mitigation of potential control effects, inadequate disclosure and the management of director Guy Walker’s conflicting roles. The Panel accepted undertakings including termination of Au Mining underwriting, changes to shortfall allocation and further disclosure. MRC subsequently disclosed that Deysel’s underwriting agreement had also been terminated. The Panel did not find personal dishonesty by Deysel or establish that he alone caused the company-level circumstances.

Attribution: Individual involvement documented. Panel reasons directly identify Deysel as an underwriter and record his participation in the board process. The identified conflicting roles concerned Walker, and the declaration addresses MRC circumstances collectively, not a finding of Deysel’s personal misconduct.

Relevance: Relevant to CEO capital-raising and governance oversight; distinguish his documented participation from collective company findings.

Mineral Commodities Limited 02 [2022] ATP 24 (paras. 1, 5, 24–35, 49–63; Annexure A); Chairman letter and supplementary offer (additional disclosures section 1)

Evidence gaps

• Independent degree and membership verification and full prior role dates remain unavailable.

• Detailed Moma final investigation record and direct causal responsibility were not established.

• Panel findings address company circumstances collectively and do not establish personal dishonesty.

• Individual searches and source reviews were limited; broad name-based queries were reused across multiple topics, and separate topic-specific checks were not completed for every category.