Brook Brockman

Career chronology

• Current in issuer biography; dates not stated: Platte County Economic Development Board — Board member. Management team (Brook Brockman biography)

• Appointed 28 April 2026; current: American Rare Earths / Wyoming Rare — Director of Public and Government Affairs. American Rare Earths strengthens Wyoming leadership and project delivery team (appointment and community/regulatory remit); Management team (current role)

• Current at cutoff; term expires 31 December 2026; original start not stated: Platte County Resource Conservation District — At-large board member. Platte County Resource Conservation District: Board Members (official county board listing)

Business failures and setbacks

Development-stage losses and no producing operation

Through 30 June 2026 · issuer reported · medium materiality

ARR remains a pre-revenue rare earth developer with no operating mine; financial reports describe continued exploration, studies, processing test work and capital needs. This is a company-stage limitation, not evidence of personal failure.

Attribution: Role overlaps event; causation unproven. Company performance overlaps current tenure for some executives; no individual causation demonstrated.

Relevance: Material context for delivery track record and capital stewardship.

Annual Report to shareholders, year ended 30 June 2025 (financial statements and going-concern/project sections); Half Yearly Report and Accounts, six months ended 31 December 2025 (financial statements and operations); Quarterly Activities Report for period ended 30 June 2026 (quarterly activities and cashflow)

Environmental record

Permitting, water rights and environmental baselines remain open development work

February 2025–August 2026 · issuer reported · medium materiality

Stantec’s February 2025 updated scoping study records that Halleck Creek water rights had not yet been adjudicated, the Wyoming permit-to-mine process had not started, and environmental/water baselines were underway; no social-impact study had been completed. It also says Stantec was unaware of Wyoming or federal violations/fines at that time. In an August 2026 shareholder letter, the CEO says hydrology, wildlife, cultural, air and soil baselines continued and site water/power discussions were underway. These are unresolved permitting and social-baseline tasks, not evidence of environmental misconduct; Brockman is reported to lead local and regulatory engagement.

Attribution: Role overlaps event; causation unproven. Brockman’s public-affairs remit overlaps stakeholder and regulatory engagement; technical permitting and water decisions belong to the company/project team, and personal responsibility for environmental outcomes is not established.

Relevance: Material to her public-affairs remit and the team’s project-execution readiness.

Halleck Creek Updated Scoping Study Technical Report, Revision 3 (pp. 4–5, water rights, state permitting, violations/fines); Halleck Creek Updated Scoping Study Technical Report, Revision 3 (pp. 141–143, environmental baselines and no social-impact study); Letter to Shareholders (31 August 2026, hydrology/wildlife/soil baseline and water/power discussions); Recent Wyoming Energy Projects (p. 3, test-mine application before DEQ)

Suitability for the current role

Background relevant to current remit

Career through cutoff · analyst inference · medium materiality

No degrees or professional qualifications stated in issuer biography; local agriculture, conservation and rural economic development experience is described. The 28 April 2026 appointment release dates her ARR role and defines community, landowner and government engagement responsibilities; Platte County independently lists her as an at-large conservation-district board member with term through 31 December 2026.

Attribution: Responsibility not applicable. Issuer biography/appointment material provides this background; independent qualification and career verification are incomplete.

Relevance: Relevant to current role, with depth varying by available published evidence.

Management team (Brook Brockman biography); American Rare Earths strengthens Wyoming leadership and project delivery team (appointment date and public-affairs remit); Platte County Resource Conservation District: Board Members (official board listing)

Community and government engagement remit

At cutoff · analyst inference · medium materiality

The issuer describes the role as community, government and business engagement across Platte and Albany Counties; it provides no dated evidence of permitting outcome attributable to the individual.

Attribution: Responsibility not applicable. The remit is stated by the issuer; results and tenure are not independently documented.

Relevance: Relevant to local permitting and stakeholder engagement.

Management team (Brook Brockman biography)

Evidence gaps

• Public profiles omit or incompletely date some prior roles and qualifications.

• Open-source searches are not exhaustive criminal, sanctions, litigation, regulator or credential checks.

• No prior employer chronology, degree or independent permitting decision attributable to her was identified; county records establish only her district board term.

• The inherited 9 October topic-search history was not independently verifiable; the 31 October name-focused search was broad and did not establish exhaustive topic or jurisdiction coverage.