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ARIS Mining Files Ni 43 -101 Technical Report FOR Toroparu Project

Resource Estimates Technical Reports (NI 43-101)

News Release

TSX:ARIS aris-mining.com

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ARIS MINING FILES NI 43 -101 TECHNICAL REPORT

FOR TOROPARU PROJECT

Vancouver, Canada, March 31, 2023 – Aris Mining Corporation (Aris Mining or the Company) (TSX: ARIS;

OTCQX: TPRFF) announces the filing of a National Instrument 43 -101 - Standards of Disclosure for Mineral

Projects compliant technical report in support of the updated mineral resource estimate for the Toroparu

Project in Guyana. The technical report entitled “Updated Mineral Resource Estimate NI 43-101 Technical

Report for The Toroparu Project, Cuyuni -Mazaruni Region, Guyana” has an effective date of February 10,

2023 (the Technical Report) and supports the disclosure made by the Company in its news release dated

March 14, 2023. The Technical Report is available for review on SEDAR at www.sedar.com and on the

Company’s website at www.aris-mining.com.

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 235,000

ounces of gold in 202 2. Aris Mining also operates the Soto Norte jo int 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. Aris Mining plans to pursue acquisition and other

growth opportunities to unlock value creation from scale and diversification.

Aris Mining promotes the formalization of artisanal and 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

e [email protected]

t + 416.399.2739

For w a rd- Lo o k in g In f o r mat io n

This news release contains "forward -looking information" or forward -looking statements" within the meaning of Canadian

securities legislation. All statements included herein, other than statements of historical fact, including, without limitati on,

statements relating to the Company's plans and strategies are forward -looking. When used herein, forward looking terminology

such as "expect", “plan”, "anticipate", "estimate", "may", "will", "should", "intend", "believe", and similar expressions, are intended

to identify forward -looking statements. Forward -looking statements are based on estimates and assumptions made by the

Company in light of its experience and its perception of historical trends, current conditions and expected future developments, as

well as other factors that the Company believes are appropriate in the circum stances. Many factors could cause the Company's

actual results, performance or achievements to differ materially from those expressed or implied by the forward -looking

statements, including those described in the " Risk Factors" section of the Company's mos t recent AIF and in the Management's

Discussion and Analysis for the year ended December 31 , 2022 which are available on the Company’s profile on SEDAR at

www.sedar.com. These factors should be considered carefully, and readers should not place undue relia nce on the Company's

News Release

TSX:ARIS aris-mining.com

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forward-looking statements. The Company has no intention and undertakes no obligation to update or revise any forward-looking

statements, whether as a result of new information, future events or otherwise.

Source: Aris Mining Corporation