Dean Vallve

Career chronology

• Joined May 2023; resigned 12 September 2025: Brightstar Resources Limited — Chief Development Officer. Brightstar Diggers and Dealers Presentation, 5 August 2025 (Appendix 1, p.27; joined May 2023); Brightstar Resources 2026 Annual Report (Remuneration report, former KMP disclosure; resignation date); Golden Horse appoints Chief Operating Officer (Appointment notice, lines 7–20)

• Commenced 20 October 2025: Golden Horse Minerals Limited — Chief Operating Officer. Golden Horse appoints Chief Operating Officer (Appointment notice, lines 7–20)

• Issuer presentation describes prior open-pit development and operating roles; exact dates not available: Calidus Resources; KCGM; PNP — Mining / development leadership. Brightstar Diggers and Dealers Presentation, 5 August 2025 (Appendix 1, p.27); Golden Horse appoints Chief Operating Officer (Appointment notice, lines 10–20)

Governance and interests

Brightstar resignation preceded Golden Horse commencement

12 September–20 October 2025 · documented · medium materiality

Brightstar’s annual report identifies Vallve as former KMP and states he resigned on 12 September 2025. Golden Horse’s 15 October 2025 appointment announcement states that he would commence there on 20 October 2025. The former employer’s notice identifies the resignation date; the successor’s notice corroborates the subsequent transition. No adverse reason for departure is stated in these sources.

Attribution: Individual involvement documented. The dates establish a role transition and do not establish a performance or conduct issue.

Relevance: Corrects the selected roster’s current-status label and is material to current team composition.

Brightstar Resources 2026 Annual Report (Remuneration report; former KMP table states resigned 12 September 2025); Golden Horse appoints Chief Operating Officer (Appointment notice, lines 7–9)

Suitability for the current role

Role-relevant experience is documented; delivery attribution remains limited

Career through 2026-10-09; role status assessed at evidence cutoff · analyst inference · medium materiality

Brightstar and Golden Horse describe mining engineering/geology qualifications, an MBA and First Class Mine Manager’s Certificate, with open-pit development and operational experience. His Brightstar service ended 12 September 2025; Golden Horse appointed him COO from 20 October 2025. Qualifications remain issuer-reported and unverified with awarding bodies.

Attribution: Responsibility not applicable. Career and qualifications are biographical facts reported by the issuer or employer; individual contribution to aggregate company outcomes is only attributed where a source explicitly links it.

Relevance: The experience is relevant to the current or most recent stated role, subject to the evidence and verification limits described.

Corporate Directory (Current corporate directory and management role listing); Golden Horse appoints Chief Operating Officer (Appointment notice, lines 10–20)

Evidence gaps

• Career chronology, prior positions, dates, qualifications and memberships are substantially incomplete unless specifically noted in cited evidence.

• No company-outcome attribution or benchmark-adjusted shareholder-return analysis was performed for this executive.

• Person-specific fraud, litigation, sanctions, safety, environmental and governance searches were not performed; no clearance or negative finding is implied.

• Searches of criminal, court, regulator and professional registers were not exhaustive or, for this pass, generally performed.

• The selected roster still includes Dean Vallve, but the annual report records his resignation on 12 September 2025; Brightstar’s post-resignation successor for Chief Development Officer is not identified in the reviewed sources. His reasons for leaving are not disclosed.