# Nico Cookson

President

## Career chronology

- **Role since 2026-03-01: Marimaca Copper** — President. [Nico Cookson management page](<https://marimaca.com/nico-cookson/>) (Nico Cookson biography); [Senior management updates](<https://www.miningnewsterminal.com/news/mari.to/marimaca-announces-senior-management-updates>) (management changes, president appointment effective 1 March 2026)

## Education and qualifications

### Reported education and credentials [cookson_education]

Undated · issuer reported · low materiality

Issuer reports a Western Ontario BSc honours.

**Attribution:** Responsibility not applicable. The listed degrees and memberships have not been independently verified.

**Relevance:** Relevant to the individual’s stated role.

[2025 Annual Information Form](<https://marimaca.com/wp-content/uploads/2026/03/MARI-AIF-30-MARCH-2026.pdf>) (page 60, Cookson)

## Personal achievements

### Relevant reported experience [cookson_career]

Career to October 2026 · issuer reported · medium materiality

Marimaca reports that Cookson joined in 2021, after mining private-equity and investment-banking roles with Appian and RBC.

**Attribution:** Individual involvement documented. The role history is issuer-reported; individual contribution and employment dates are not fully independently established.

**Relevance:** Relevant to the present mining, financing, legal or project role.

[Nico Cookson management page](<https://marimaca.com/nico-cookson/>) (Nico Cookson biography)

## Governance and interests

### President appointment and prior capital role [cookson_appointment]

March 2026 · issuer reported · medium materiality

On 2 March 2026 Marimaca announced Cookson’s appointment as president effective 1 March, retaining responsibility for strategy, corporate development and investor relations.

**Attribution:** Individual involvement documented. The release identifies his stated responsibility, not an individual allocation of capital-raising success.

**Relevance:** Relevant to company financing and project transition.

[Senior management updates](<https://www.miningnewsterminal.com/news/mari.to/marimaca-announces-senior-management-updates>) (management changes)

## Suitability for the current role

### Role-fit assessment [cookson_fit]

October 2026 · analyst inference · medium materiality

The reported background is relevant to president, subject to the substantial limits of the available screening.

**Attribution:** Responsibility not applicable. Analyst judgment based on the cited roles; not a finding about character.

**Relevance:** Shows the evidence and uncertainty behind the team assessment.

[Nico Cookson management page](<https://marimaca.com/nico-cookson/>) (Nico Cookson biography)

## Evidence gaps

- Independent verification of education, memberships and dates is incomplete.

- Full previous-employer outcomes and person-specific public court, regulatory, safety and environmental records have not been exhaustively reviewed.