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ARIS Mining Appoints Mónica de Greiff as a Member of the Board of Directors

Management Changes

News Release

TSX:ARIS aris-mining.com

1

ARIS MINING APPOINTS MÓNICA DE GREIFF AS A

MEMBER OF THE BOARD OF DIRECTORS

Vancouver, Canada, October 4, 2022 – Aris Mining Corporation (Aris Mining) (TSX: ARIS; OTCQX: TPRFF)

announces that, effective October 1, 2022, Mónica de Greiff was appointed as an independent member of

the Board of Directors, and as Chair of the Sustainability Committee of the Board.

Mónica de Greiff was a member of the GCM Mining board of directors from 2018 to 2020, when she left to

accept the position of Colombian Ambassador to Kenya. She has held positions in both the public and

private sectors, including as Minister of Justice for the Republic of Colombia and Vice Minister of Mines and

Energy. Ms. de Greiff is also a former member of the Board of Directors of the United Nations Global

Compact, the world's largest corporate sustainability initiative.

Ian Telfer, Chair of Aris Mining, stat ed “I am delighted to welcome Mónica to our Board of Directors. She

brings considerable experience within Colombia and in the highly valued and important area of

sustainability. We look forward to her contributions to our business as we continue to grow an d enhance

our commitment towards ESG.”

About Aris Mining

Aris Mining is a Canadian company led by an executive team with a track record of creating value through

building globally relevant mining companies. In Colombia, Aris Mining operates several high -grade

underground mines at its Segovia Operations and the Marmato Mine , which together produced 230,000

ounces of gold in 2021. Aris Mining also operates the Soto Norte joint venture, where environmental

licensing is advancing to develop a new underground gold, silver and copper mine. In Guyana, Aris Mining

is advancing the Toroparu Project, a gold/copper project with expected average gold production of 225,000

per year over the life of mine . Aris Mining plans to pursue acquisition and other growth opportunities to

unlock value creation from scale and diversification.

Aris Mining promotes the formalization of small-scale mining as this process enables all miners to operate

in a legal, safe and responsible manner that protects them and the environment.

Additional information on Aris Mining can be found at www.aris-mining.com and www.sedar.com.

For further information, contact:

Tyron Breytenbach

Senior Vice President, Capital Markets

Meghan Brown

Vice President, Investor Relations

e [email protected]

t + 778.899.0518