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ARIS Mining Reports Q1 2025 GOLD Production Achieving 8% Year-over-Year Growth

Corporate Updates

News Release

TSX: ARIS | NYSE-A: ARMN | aris-mining.com 1

ARIS MINING REPORTS Q1 2025 GOLD PRODUCTION

ACHIEVING 8% YEAR-OVER-YEAR GROWTH

Vancouver, Canada, April 8, 2025 – Aris Mining Corporation (Aris Mining or the Company) (TSX: ARIS; NYSE-

A: ARMN) reports gold production of 54,763 ounces (oz) for the first quarter of 2025 (Q1 2025 ), with

47,549 oz from Segovia and 7,214 oz from the Marmato Upper Mine.

Q1 2025 Gold Production Highlights:

• Positive trends across both the Segovia and Marmato operations , with a total gold production of

54,763 oz in Q1 2025, up 8% compared to 50,767 oz in Q1 2024.

• Q1 2025 production reflects strong operational momentum heading into 2025 . With the

commissioning of the expanded Segovia processing facility on track for Q2 2025, additional

production growth is anticipated in the coming quarters.

• Aris Mining’s 2025 full-year production guidance is between 230,000 to 275,000 oz, with Segovia

expected to produce 210,000 to 250,000 oz and the Marmato Upper Mine expected to contribute

20,000 to 25,000 oz.

Chart 1: Q1 2025 Gold Production (oz) Year-over-Year

*The Q1 2025 results provided in this news release are approximate and may differ from the final results to be included in the Company’s 2025

interim financial statements and MD&A, which the Company expects to release in early May 2025.

Neil Woodyer, CEO of Aris Mining, commented “We kicked off 2025 with strong momentum, highlighting

our ability to effectively execute while advancing major growth initiatives. Q1 production came in slightly

ahead of our budget target reflecting a solid operational start to the year. With the expanded Segovia

processing facility set to be commissioned this quarter, we are well on track to deliver on our full -year

production guidance of 230,000 to 275,000 oz.”

News Release

TSX: ARIS | NYSE-A: ARMN | aris-mining.com 2

Chart 2: Segovia Operations – Quarterly Production Data

Operating Information Q1 2025 Q1 2024 Q2 2024 Q3 2024 Q4 2024 FY 2024

Tonnes processed (kt) 167 154 156 167 168 645

Tonnes per day (tpd) 1,966 1,817 1,834 1,940 1,949 1,885

Average gold grade processed (g/t) 9.37 9.42 9.14 9.23 9.84 9.41

Recoveries (%) 96.1% 95.6% 96.0% 95.9% 96.6% 96.0%

Gold produced (ounces) 47,549 44,908 43,705 47,493 51,477 187,583

Gold sold (ounces) 47,390 45,288 43,366 48,059 50,409 187,122

Chart 3: Marmato Upper Mine – Quarterly Production Data

Operating Information Q1 2025 Q1 2024 Q2 2024 Q3 2024 Q4 2024 FY 2024

Tonnes processed (kt) 74 62 61 70 60 254

Average gold grade processed (g/t) 3.32 3.27 3.18 3.06 3.61 3.28

Recoveries (%) 91.7% 90.2% 89.2% 89.4% 90.7% 89.9%

Gold produced (ounces) 7,214 5,859 5,511 6,115 5,887 23,372

Gold sold (ounces) 6,891 5,756 6,103 5,710 5,925 23,494

*The Q1 2025 results provided in this news release are approximate and may differ from the final results to be included in the Company’s 2025

interim financial statements and MD&A, which the Company expects to release in early May 2025.

About Aris Mining

Founded in September 2022, Aris Mining was established with a vision to build a leading Latin America -

focused gold mining company. Our strategy blends current production and cashflow generation with

transformational growth driven by expansions of our opera ting assets, exploration and development

projects. Aris Mining is listed on the TSX (ARIS) and the NYSE-A (ARMN) and is led by an experienced team

with a track record of value creation, operational excellence, financial discipline and good corporate

governance in the gold mining industry.

Aris Mining operates two underground gold mines in Colombia: the Segovia Operations and the Marmato

Upper Mine, which together produced 210,955 ounces of gold in 2024. With expansions underway, Aris

Mining is targeting an annual production rate of more than 500,000 ounces of gold following the ramp-up

of the Segovia mill expansion, expected during the second half of 2025, and the new Marmato Lower Mine,

which is expected to start ramping up production in the second half of 2026. In addition, Aris Mining

operates the 51% owned Soto Norte joint venture, where studies are underway on a new, smaller scale

development plan, with results expected in mid -2025. In Guyana, Aris Mining owns the Toroparu

gold/copper project, further diversifying its asset portfolio.

News Release

TSX: ARIS | NYSE-A: ARMN | aris-mining.com 3

Colombia is rich in high -grade gold deposits and Aris Mining is actively pursuing partnerships with the

Country’s dynamic small -scale mining sector. With these partnerships, we enable safe, legal, and

environmentally responsible operations that benefit both local communities and the industry.

Aris Mining intends to pursue acquisitions and other growth opportunities to unlock value through scale

and diversification.

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

www.sec.gov.

Aris Mining Contact

Oliver Dachsel

Senior Vice President, Capital Markets

+1.917.847.0063

Lillian Chow

Director, Investor Relations & Communications

[email protected]

Forward-Looking Information

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, are forward-

looking statements, including, without limitation, statements relating to the timeline and potential benefits of the

expanded Segovia processing facility ; the Company’s 2025 production guidance; and statements included in the

“About Us” section of this news release relating to the Segovia Operations, the new Marmato Lower Mine and the

Soto Norte project. Generally, the forward-looking information and forward looking statements can be identified by

the use of forward looking terminology such as “plans”, “expects” or “does not expect”, “is expected”, “budget”,

“scheduled”, “estimates”, “forecasts”, “intends”, “anticipates” or “does not anticipate”, “will continue” or “believes”,

or variations of such words and phrases or state that certain actions, events or results “may”, “could”, “would”,

“might” or “will be taken”, “occur” or “be achieved”. The material f actors or assumptions used to develop forward

looking information or statements are disclosed throughout this news release.

Forward looking information and forward looking statements, while based on management's best estimates and

assumptions, are subject to known and unknown risks, uncertainties and other factors that may cause the actual

results, level of activity, performance or achievements of Aris Mining to be materially different from those expressed

or implied by such forward -looking information or forward looking statements, including but not limited to those

factors discussed in the section entitled “Risk Factors” in Aris Mining's Annual Information Form dated March 12, 2025

which is available on SEDAR+ at www.sedarplus.ca and in the Company's filings with the SEC at www.sec.gov. These

factors should be considered carefully, and readers should not place undue reliance on the Company's 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.