Valiant Gold Limited

Career chronology

• Current at company roster cutoff: Valiant Gold — Managing Director and Chief Executive Officer. Annual report 2026 (PDF p.14, directors and appointment)

• Reported 2012–2015; independently unverified: Mincor Resources — Mine engineer (secondary profile). Brendan Tritton professional profile (Professional experience, Mincor roles); Investor presentation October 2026 (PDF p.4, issuer Mincor biography)

Contributions and company outcomes

Valiant completed its IPO

March 2026 · issuer reported · medium materiality

Valiant reported admission and an A$75m pre-costs IPO in March 2026.

Attribution: Role overlaps event; causation unproven. He was MD/CEO, but the issuer describes a team effort; individual contribution was not isolated.

Relevance: Shows an actual corporate financing outcome.

IPO successfully completed (p.1, listing and proceeds)

Business failures and setbacks

Mincor reported an FY2015 loss

FY2015 · documented · medium materiality

Mincor reported a FY2015 net loss of A$34.259m, including A$13.891m property, plant and equipment impairment. A secondary professional profile reports Tritton worked at Mincor during 2012–15; the exact dates and site have not been independently verified.

Attribution: Employer context; no individual link established. A secondary profile suggests possible tenure overlap; no source connects him personally to the losses or impairment.

Relevance: Former-employer financial context; no individual causal contribution established.

Mincor FY2015 preliminary report (Consolidated statement of profit or loss, FY2015); Brendan Tritton professional profile (Reported Mincor employment period)

Environmental record

Mincor Miitel environmental enforcement

2015 incidents; 2016 penalties · documented · medium materiality

The Western Australian enforcement register records March and April 2015 hypersaline-water discharges at Mincor’s Miitel mine, with two A$25,000 penalties dated April 2016.

Attribution: Employer context; no individual link established. The issuer biography names Mincor experience but his precise tenure, site responsibility and any connection to these incidents are not established. No personal fault is inferred.

Relevance: Former-employer environmental context, with individual overlap unresolved.

Environmental enforcement register (Environmental enforcement table, Mincor Miitel rows)

Suitability for the current role

Role-relevant experience

Before and during Valiant role · analyst inference · medium materiality

The issuer reports mining-science training at the Western Australian School of Mines and past roles at Barrick Kanowna Belle and Mincor Kambalda; exact roles and dates have not been independently confirmed.

Attribution: Responsibility not applicable. The description comes from the issuer and does not independently establish performance or credentials.

Relevance: Relevant to the present role, subject to verification.

Annual report 2026 (PDF p.14, directors and appointment); Investor presentation October 2026 (PDF p.4, management biographies)

Evidence gaps

• Person-specific topic and indexed regulator searches were performed; complete prior-employer chronology, underlying regulator/court registers and independently verified qualifications remain incomplete.

• The issuer presentation identifies four directors and two officers on page 4 and the exploration manager on page 2; other unannounced senior roles cannot be excluded.

• The presentation p.4 and annual report p.15 were visually inspected; other cached PDF pages cited were not visually inspected.

Career chronology

• Current at company roster cutoff: Valiant Gold — Chief Financial Officer. Investor presentation October 2026 (PDF p.4, CFO biography)

• Appointment announced effective 27 February 2023; succession announced 24 July 2025: Catalyst Metals — Chief Financial Officer. Catalyst CFO appointment (PDF p.1, appointment); Catalyst CFO succession (PDF p.1, succession)

• Before January 2023; start date unknown: Alkane Resources — Group Financial Controller. Catalyst CFO appointment (PDF p.1, prior role)

Contributions and company outcomes

Catalyst operating outcome during CFO tenure

FY2025 · issuer reported · medium materiality

Catalyst reported FY2025 gold production of 108,018 ounces versus 109,785 in FY2024, attributing the decrease to the May 2025 Henty sale; its report lists Thornton as CFO. In FY2026, after Thornton’s CFO departure, Catalyst reported 103,761 ounces at Plutonic versus 86,384 ounces in FY2025; these Plutonic-only figures exclude Henty and are not group totals.

Attribution: Role overlaps event; causation unproven. Thornton held the CFO role; the operating result is the company’s and no individual causal contribution is established.

Relevance: Provides quantified employer context for financial leadership experience.

Annual report 2025 (PDF p.3, operational summary; p.21 remuneration table); FY2026 Appendix 4E and annual financial statements (PDF p.9, Plutonic operating results)

Alkane Tomingley production context

FY2022; appointment announcement January 2023 · issuer reported · medium materiality

Catalyst’s 2023 appointment announcement attributes to Thornton finance-team assistance during Alkane’s Tomingley underground development and demerger. Alkane reported 66,804 ounces of FY2022 gold against guidance of 55,000–60,000 ounces.

Attribution: Employer context; no individual link established. Catalyst describes her finance contribution generally; her exact Alkane start date and any individual responsibility for FY2022 operating output are not independently established.

Relevance: Former-employer financial and operational context.

Catalyst CFO appointment (PDF p.1, prior finance role and claimed assistance); Tomingley FY2022 production (Highlights, FY2022 actual and guidance)

Industrial safety

Catalyst safety rate after CFO departure

FY2026 · issuer reported · low materiality

Catalyst reported that its twelve-month rolling TRIFR rose from 6.3 at 30 June 2025 to 10.4 at 30 June 2026.

Attribution: Employer context; no individual link established. The rise occurred after the July 2025 CFO succession; no personal responsibility or causation is established.

Relevance: Later former-employer context prevents treating the earlier safety period as the latest result.

FY2026 Appendix 4E and annual financial statements (PDF p.9, safety)

Governance and interests

Catalyst obtained disclosure relief

FY2024–August 2025 · documented · medium materiality

During the period of Thornton’s Catalyst CFO role, Catalyst issued its FY2024 consolidated entity disclosure statement. In August 2025 the Federal Court validated specified documents and notices and granted civil relief concerning omitted subsidiary tax-residency information.

Attribution: Role overlaps event; causation unproven. Catalyst’s annual report identifies her CFO role; the opened orders do not name her or establish personal fault. The full judgment reasons remain inaccessible.

Relevance: Relevant former-employer reporting context, with material attribution limits.

Annual report 2024 (printed p.25, CFO agreement); Court orders confirmed (pp.1–3, court orders)

Suitability for the current role

Role-relevant experience

Before and during Valiant role · analyst inference · medium materiality

The issuer reports chartered-accountant status and former Catalyst, Alkane, Consolidated Minerals and Macmahon roles; qualifications and most dates have not been independently verified.

Attribution: Responsibility not applicable. The description comes from the issuer and does not independently establish performance or credentials.

Relevance: Relevant to the present role, subject to verification.

Investor presentation October 2026 (PDF p.4, CFO biography)

Evidence gaps

• Person-specific topic and indexed regulator searches were performed; complete prior-employer chronology, underlying regulator/court registers and independently verified qualifications remain incomplete.

• The issuer presentation identifies four directors and two officers on page 4 and the exploration manager on page 2; other unannounced senior roles cannot be excluded.

• The presentation p.4 and annual report p.15 were visually inspected; other cached PDF pages cited were not visually inspected.

• Full reasons in Catalyst Metals [2025] FCA 1052 could not be opened; the search-index lead concerning report preparation was not treated as reviewed evidence, and no individual fault is inferred.

• Catalyst’s 31 January 2023 release states a 27 February 2023 CFO effective date, while its 24 July 2025 succession release says she led finance from late 2022; earlier service and formal appointment may differ, but the discrepancy is unresolved.

Career chronology

• Current at company roster cutoff: Valiant Gold — Company Secretary. Annual report 2026 (PDF p.15, company secretary and appointment)

• 31 August 2023 to 4 November 2025: Vmoto Limited — Company Secretary. Change of company secretary (p.1, change of secretary); Third-quarter 2023 market update (Corporate section, 31 August 2023 appointment)

• Appointed 1 December 2023; shown in FY2026 annual report: Hazer Group — Company Secretary. FY2026 preliminary report and accounts (PDF pp.4 and 14, corporate directory and secretary biography)

• Appointed 19 September 2023 and identified in role on 4 August 2025; end date not established: Donaco International — Company Secretary. Appointment of company secretary (PDF p.1, appointment effective date); Scheme meeting chairman address (PDF p.1, scheme meeting officers)

Contributions and company outcomes

Hazer demonstration and commercial-scale limits

2024–FY2026 · issuer reported · medium materiality

Hazer reported more than 240 hours of continuous hydrogen and graphite production in its 2024 demonstration. Its FY2026 report states the process had not yet been demonstrated at full commercial scale; it reported an FY2026 net loss of A$10.38m versus A$7.62m in FY2025.

Attribution: Role overlaps event; causation unproven. Hazer identifies Dabon as company secretary; plant development and operating outcomes are not attributed to her.

Relevance: Employer delivery and financial context; a demonstration is not a commercial operating mine or plant.

Commercial demonstration plant operations (PDF p.1, 240-hour demonstration); FY2026 preliminary report and accounts (PDF pp.1, 4, 10 and 14, results, scale-up risk and secretary)

Donaco scheme completed after secretary was identified

August 2025 · issuer reported · low materiality

Donaco identified Dabon as secretary in its 4 August 2025 scheme-meeting materials; on 19 August it reported implementation of a cash acquisition of the remaining shares by On Nut Road.

Attribution: Employer context; no individual link established. The meeting notice states that she was absent. Her role on implementation day and any contribution to the scheme are not established.

Relevance: A documented former-employer corporate outcome, with individual attribution limited.

Scheme meeting chairman address (PDF p.1, officers and scheme meeting); Implementation of scheme (PDF p.1, implementation)

Business failures and setbacks

Vmoto customer insolvency and recovery

2023 · issuer reported · low materiality

Vmoto reported a Dutch GreenMo customer bankruptcy in early 2023 and said a July settlement produced US$500,000 received in August and 1,101 returned mopeds in September 2023. Vmoto appointed Dabon secretary on 31 August 2023.

Attribution: Role overlaps event; causation unproven. The customer failure and settlement preceded her appointment; the September asset return overlapped the start of her role. No role in the customer failure or settlement is established.

Relevance: Former-employer commercial loss and resolution context.

Third-quarter 2023 market update (Netherlands customer and corporate sections); Annual report 2024 (2024 report, company secretary)

Suitability for the current role

Role-relevant experience

Before and during Valiant role · analyst inference · medium materiality

The issuer reports a Juris Doctor and Governance Institute associate membership and prior work at Source Governance. These are issuer-reported qualifications, not independent verification.

Attribution: Responsibility not applicable. The description comes from the issuer and does not independently establish performance or credentials.

Relevance: Relevant to the present role, subject to verification.

Annual report 2026 (PDF p.15, company secretary and appointment); Investor presentation October 2026 (PDF p.4, management biographies)

Evidence gaps

• Person-specific topic and indexed regulator searches were performed; complete prior-employer chronology, underlying regulator/court registers and independently verified qualifications remain incomplete.

• The issuer presentation identifies four directors and two officers on page 4 and the exploration manager on page 2; other unannounced senior roles cannot be excluded.

• The presentation p.4 and annual report p.15 were visually inspected; other cached PDF pages cited were not visually inspected.

• Donaco’s last reviewed disclosure names her secretary on 4 August 2025; her departure date and role when the acquisition was implemented are not established.

Career chronology

• Current at company roster cutoff: Valiant Gold — Manager Exploration. September 2026 quarterly activities report (PDF p.9, competent-person statement)

• At November 2024: DevEx Resources — Senior Project Geologist. U40 prospect collaborative drilling report (PDF p.2, report contact and role)

Personal achievements

Documented prior technical role

November 2024 · documented · low materiality

A 2024 DevEx report submitted to the Northern Territory named him senior project geologist and contact for the U40 drilling report.

Attribution: Individual involvement documented. The report names his role; it does not attribute an individual discovery to him.

Relevance: Provides dated experience relevant to exploration.

U40 prospect collaborative drilling report (PDF p.2, contact and role)

Environmental record

Legacy Nabarlek rehabilitation remains underway

2024–25 report · documented · low materiality

The Australian Government reported that the former Nabarlek uranium mine, decommissioned in 1995, had not received regulatory release and that DevEx managed progressive rehabilitation alongside exploration.

Attribution: Employer context; no individual link established. The site predates his documented DevEx position by decades. No non-compliance or personal responsibility is established by this source.

Relevance: Environmental context for a former employer and exploration region.

Supervising Scientist annual technical report 2024–25 (Appendix 1.3, Nabarlek mine history)

Suitability for the current role

Role-relevant experience

Before and during Valiant role · analyst inference · medium materiality

Valiant describes him as an MSc and lists Australian Institute of Geoscientists and Society of Economic Geologists memberships. Independent degree and current membership verification were not completed.

Attribution: Responsibility not applicable. The description comes from the issuer and does not independently establish performance or credentials.

Relevance: Relevant to the present role, subject to verification.

September 2026 quarterly activities report (PDF p.9, competent-person statement)

Evidence gaps

• Person-specific topic and indexed regulator searches were performed; complete prior-employer chronology, underlying regulator/court registers and independently verified qualifications remain incomplete.

• The issuer presentation identifies four directors and two officers on page 4 and the exploration manager on page 2; other unannounced senior roles cannot be excluded.

• The presentation p.4 and annual report p.15 were visually inspected; other cached PDF pages cited were not visually inspected.

Career chronology

• Current at 29 October 2026: Valiant Gold — Non-Executive Chairman. Investor presentation October 2026 (PDF p.4, Board & Management)

• November 2019 to 27 October 2023: Poseidon Nickel — Non-Executive Chairman. Poseidon Nickel 2023 annual report (PDF p.2, chair report)

Contributions and company outcomes

Sandfire reached production while La Ferla chaired

FY2013 · issuer reported · medium materiality

Sandfire reported FY2013 production of 64,017 tonnes of copper and 42,679 ounces of gold and attainment of 1.5 Mtpa plant nameplate throughput. The same report identifies La Ferla as non-executive chairman.

Attribution: Role overlaps event; causation unproven. The disclosed chairmanship establishes board oversight overlap, not an individual operational contribution.

Relevance: Relevant company delivery context for board oversight at a mining restart.

June 2013 quarterly report (PDF p.1, production highlights and directors)

Business failures and setbacks

Black Swan restart deferred during Poseidon chairmanship

July 2023 · issuer reported · medium materiality

Poseidon’s chair and managing director reported a July 2023 Black Swan restart deferral, citing weaker nickel and equity markets together with grid power delays, metallurgical assumptions, labour and accommodation constraints. After his departure, Horizon reported completion of the Poseidon merger in 2025; Maritana reported approvals and early works for a Black Swan gold processing hub in October 2026, with first gold still targeted for H2 2027. This later gold project does not establish that the earlier nickel restart occurred.

Attribution: Role overlaps event; causation unproven. La Ferla was non-executive chair when the board reported its decision. The source does not isolate his individual responsibility; commercial and operating factors are identified by the company.

Relevance: A material project delivery setback during a prior board oversight role.

Poseidon Nickel 2023 annual report (PDF p.2, chairman and managing director report); June 2025 quarterly activities report (PDF p.8, acquisitions and divestments); Quarterly activities report 30 September 2026 (Highlights, Black Swan Processing Hub)

Environmental record

Gonneville corridor objection under assessment

October 2026 · alleged · medium materiality

On 26 October 2026 the Shire of Chittering formally objected to Chalice’s proposed Gonneville infrastructure-envelope change, citing mapping, residential and habitat concerns. Chalice’s October update describes an amended corridor and reduced proposed mine-site clearing; its general statement is not a specific response to the Shire’s objection. Consultation remained open at the cutoff.

Attribution: Role overlaps event; causation unproven. La Ferla chaired Chalice; the Shire’s concerns are submissions for assessment, not established findings of wrongdoing or personal responsibility.

Relevance: Current environmental and community oversight context.

Gonneville section 43A objection (PDF pp.1–3, formal objection); Gonneville approvals update (October 2026 approvals update)

Suitability for the current role

Issuer-reported experience relevant to board oversight

Prior and concurrent roles as described by issuer · analyst inference · medium materiality

The issuer describes corporate-law and mining-board experience, including prior chairmanship of Sandfire and the current chairmanship of Chalice.

Attribution: Responsibility not applicable. Issuer biography describes roles but does not independently establish individual contributions or outcomes.

Relevance: Background is potentially relevant to board oversight; verification and fuller diligence remain outstanding.

Investor presentation October 2026 (PDF p.4, Board & Management)

Evidence gaps

• Person-specific topic and indexed regulator searches were performed; some employer outcomes, underlying records, career dates and qualifications remain unverified.

• Prior-employer dates and individual responsibility for company outcomes are not established.

• A specific signed Chalice response to the Shire’s 26 October corridor objection was not located by the cutoff; the EPA assessment and consultation remained ongoing.

Career chronology

• Current at 29 October 2026: Valiant Gold — Non-Executive Director. Investor presentation October 2026 (PDF p.4, Board & Management)

Contributions and company outcomes

Westgold reported higher FY2026 production

FY2025–FY2026 · issuer reported · medium materiality

Westgold reported 387,354 ounces of gold production in FY2026 versus 326,384 in FY2025. Its December 2024 quarterly report identifies Rigby as chief growth officer supervising exploration reporting.

Attribution: Role overlaps event; causation unproven. Issuer-reported growth includes a larger operating base; the company output cannot be attributed to Rigby personally.

Relevance: Relevant operating-company context, distinct from individual exploration contributions.

FY2026 annual report (Annual report, FY26 financial results); December 2024 quarterly report (PDF p.29, competent-person statement)

Industrial safety

Westgold subsidiary fined after Big Bell fatality

December 2020 incident; July 2025 penalty · documented · medium materiality

WorkSafe reported that a Westgold subsidiary pleaded guilty and was fined A$945,000 in July 2025 after a contractor was fatally struck at Big Bell in December 2020. The regulator states the offence did not establish that the breach caused the fatal incident.

Attribution: Employer context; no individual link established. Rigby’s dates and responsibilities at the time of the incident are not established by this source; no individual responsibility or causal involvement is inferred.

Relevance: Material safety context at Westgold, Valiant’s shareholder and counterparty.

Gold miner fined after fatal underground incident (Regulator release, offence and incident paragraphs)

Governance and interests

Westgold nominee and concurrent executive role

October 2026 · issuer reported · medium materiality

The issuer identifies Rigby as Westgold Chief Growth Officer and Westgold’s nominee on the Valiant board.

Attribution: Individual involvement documented. The disclosed roles create an identifiable related-party oversight context; no misconduct is implied.

Relevance: Relevant to oversight of Valiant’s relationship with its major shareholder and processing counterparty.

Investor presentation October 2026 (PDF p.4, Simon Rigby biography)

Suitability for the current role

Issuer-reported experience relevant to board oversight

Prior and concurrent roles as described by issuer · analyst inference · medium materiality

The issuer identifies him as Westgold Chief Growth Officer and its board nominee, with exploration and mining leadership experience.

Attribution: Responsibility not applicable. Issuer biography describes roles but does not independently establish individual contributions or outcomes.

Relevance: Background is potentially relevant to board oversight; verification and fuller diligence remain outstanding.

Investor presentation October 2026 (PDF p.4, Board & Management)

Evidence gaps

• Person-specific topic and indexed regulator searches were performed; some employer outcomes, underlying records, career dates and qualifications remain unverified.

• Prior-employer dates and individual responsibility for company outcomes are not established.

Career chronology

• Current at 29 October 2026: Valiant Gold — Non-Executive Director. Investor presentation October 2026 (PDF p.4, Board & Management)

• At 15 June 2022: Vimy Resources Limited — Executive Director and Chief Operating Officer. Re Vimy Resources Ltd [2022] WASC 233 (Judgment paragraph 5)

• Appointed 4 August 2022; end date unknown: Deep Yellow — Executive team member. Deep Yellow board and executive appointments (PDF p.1, appointment)

• 1 February 2019 to 4 August 2022; COO commenced February 2022: Vimy Resources — Director. Vimy 2019 annual financial report (Printed p.16, director appointment); Vimy half-year financial report (Printed p.3, COO appointment); Vimy scheme implementation (Board changes, scheme implementation)

Contributions and company outcomes

Vimy merger completed; Mulga Rock remained in study

2022–October 2026 · issuer reported · medium materiality

Deep Yellow reported implementation of its Vimy merger on 4 August 2022 and Chamberlain joining its executive team. In October 2026 Deep Yellow reported ongoing Mulga Rock process optimisation and revised feasibility work.

Attribution: Role overlaps event; causation unproven. He was a Vimy executive director and COO at the merger; a personal contribution to the transaction is not isolated. His Deep Yellow role’s end date and any responsibility for later work are not established.

Relevance: Actual merger outcome and later project development context; later feasibility work is not production.

Re Vimy Resources Ltd [2022] WASC 233 (Judgment paragraph 5, Vimy role); Deep Yellow board and executive appointments (PDF p.1, merger and executive appointment); September 2026 activities report (Highlights, Mulga Rock project)

Environmental record

Mulga Rock economic and rehabilitation criticism

November 2020–October 2026 · alleged · medium materiality

In November 2020 the Conservation Council of WA and The Australia Institute criticised assumptions in Vimy’s Mulga Rock feasibility work and alleged insufficient consideration of rehabilitation costs. Vimy later reported 2021 mining-proposal and closure-plan approvals and regulator confirmation of substantial commencement. In October 2026 Deep Yellow described ongoing revised feasibility work; neither the company’s later report nor the 2026 update specifically resolves the 2020 criticism.

Attribution: Role overlaps event; causation unproven. Chamberlain was a Vimy director during the 2020 criticism, but the organisations did not establish his personal responsibility. The criticism is advocacy, not a finding of misconduct; Vimy’s later approvals statement is not an independent finding on the disputed economics.

Relevance: Material disputed economic and environmental context for a former mining-development role.

Mulga Rock uranium economic and approvals briefing (Key findings and rehabilitation-cost concerns); Vimy 2019 annual financial report (Printed p.16, director appointment); Vimy half-year financial report (Printed p.3, approvals and substantial commencement); September 2026 activities report (Highlights, Mulga Rock revised feasibility)

Suitability for the current role

Issuer-reported experience relevant to board oversight

Prior and concurrent roles as described by issuer · analyst inference · medium materiality

The issuer reports a metallurgy PhD and operational and executive roles at WMC, BHP and several junior resource companies, including Vimy.

Attribution: Responsibility not applicable. Issuer biography describes roles but does not independently establish individual contributions or outcomes.

Relevance: Background is potentially relevant to board oversight; verification and fuller diligence remain outstanding.

Investor presentation October 2026 (PDF p.4, Board & Management)

Evidence gaps

• Person-specific topic and indexed regulator searches were performed; some employer outcomes, underlying records, career dates and qualifications remain unverified.

• Prior-employer dates and individual responsibility for company outcomes are not established.

• A specific signed Vimy response to the 2020 Conservation Council and Australia Institute economic and rehabilitation allegations was not located; later approvals do not resolve the disputed assumptions.