Suzy Retallack

Career chronology

• From 15 September 2025: IGO Limited — Chief People and Sustainability Officer. Retallack appointment (Page 1)

• Joined 2019; promoted June 2023; departed by June 2025: Newmont — Chief Safety and Sustainability Officer; prior VP Health, Safety and Security. Newmont chief safety and sustainability appointment (Appointment and biography); Retallack appointment (Page 1, former role)

Education and qualifications

Reported qualifications

Issuer biography · issuer reported · low materiality

IGO reports degrees in psychology (University of Western Australia), occupational therapy and an MBA (Curtin). The institutions were not independently contacted.

Attribution: Responsibility not applicable. These are reported qualifications, not independent verification.

Relevance: Background relevant to the stated role.

Retallack appointment (Executive biography / appointment)

Industrial safety

Five Newmont workplace fatalities during safety leadership

December 2023–2025 · documented · high materiality

Newmont recorded one worker death at Brucejack in December 2023 and four deaths at Ahafo North, Cerro Negro and Éléonore in 2024. Its report says each was investigated and learnings shared; the Santa Cruz government confirmed a separate judicial investigation for the two Cerro Negro deaths. Newmont reported zero fatalities in calendar 2025.

Attribution: Role overlaps event; causation unproven. Retallack was Newmont’s global chief safety and sustainability officer in 2023–2024. Site-level personal responsibility is not established; 2025 is a later company-wide result and her exact 2025 departure date is unconfirmed.

Relevance: Material prior safety oversight context for current people and sustainability role.

Newmont chief safety and sustainability appointment (June 2023 role appointment); Newmont 2023 sustainability report (Printed p.49 safety performance); Newmont 2024 sustainability report (Safety performance, four fatalities); Argentina government Cerro Negro investigation statement (16 April government statement); Newmont 2025 sustainability report (Safety performance, 2025); Newmont 2024 Annual Report to Security Holders (PDF p.102, Item 4 Mine Safety Disclosures)

IGO safety frequency improved then rose in September quarter

FY2026–September 2026 · issuer reported · medium materiality

IGO reported a 12-month group TRIFR of 3.7 at June 2026 and 4.0 at September 2026; its September report identifies two recordable injuries and reduced exposure hours. Greenbushes and Kwinana are non-operated sites and reported 9.7 and 12.7 respectively.

Attribution: Role overlaps event; causation unproven. Retallack was Chief People and Sustainability Officer. Rates reflect different sites and exposure; personal causation is not established.

Relevance: Safety trend and oversight evidence.

IGO FY2026 annual report (PDF p.93, FY2026 safety scorecard); September 2026 quarterly report (Page 2, safety performance)

Evidence gaps

• Original investigations and final regulatory/court outcomes for the five fatalities were not all located.

• Exact departure date from Newmont is not established by the reviewed primary sources.

• Credentials not independently verified with universities.

• Personal involvement in site-level incidents is not established.

• A single combined broad name-and-employer query was reused across nine topics; independent topic-specific and complete regulator/court searches remain incomplete.