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ARIS 6-K

Aris Mining Corp (ARIS)

6-K 2026-07-29 For: 2026-07-29
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Added on July 29, 2026

UNITEDSTATESSECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549

FORM6-K

REPORTOF FOREIGN PRIVATE ISSUERPURSUANT TO RULE 13a-16 OR 15d-16UNDER THE SECURITIES EXCHANGE ACT OF 1934

Forthe month of July 2026

CommissionFile Number: 001-41794

ArisMining Corporation

(Translation of registrant's name into English)

Suite2400 - 1021 West Hastings St., Vancouver, BC, Canada V6E 0C3

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☐      Form 40-F ☒

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

ARIS MINING CORPORATION
Date: July 29, 2026 By: (s) Ashley Baker
Ashley Baker
Chief Legal Officer
EXHIBIT INDEX
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Exhibit Number Description
99.1 Press Release dated July 29, 2026

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Exhibit 99.1

NEWS RELEASE<br><br><br><br><br><br><br>TSX<br>& NYSE: ARIS<br><br><br><br>aris-mining.com

ARISMINING REPORTS Q2 2026 RESULTS

StrongH1 2026 performance funds near-term growth

Vancouver,Canada, July 29, 2026 – Aris Mining Corporation (Aris Mining or the Company) (TSX: ARIS; NYSE: ARIS) announces its financial and operating results for the three and six months ended June 30, 2026 (Q2 2026 & H1 2026). All amounts are in U.S. dollars unless otherwise indicated.

Q22026 Financial Performance

Production of 73.7 thousand ounces (koz) of gold, consistent with Q1 2026.
Gold revenue of $321 million, with an average realized gold price of $4,450.
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Adjusted EBITDA^1^ of $179 million, on a trailing 12-month basis, Adjusted EBITDA<br> of $690 million.
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Adjusted net earnings of $96 million or $0.47/share, on a trailing 12-month basis, Adjusted<br> net earnings of $386 million or $1.89/share.
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Cash balance of $426 million as of June 30, 2026, after funding $121 million in capital<br> projects in Q2 2026, including $78 million at Marmato and $31 million at Segovia.
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Neil Woodyer, Chair and CEO, commented “Aris Mining delivered another strong quarter with our operations generating the cash required to fund more than $120 million of capital investments during the second quarter while maintaining a strong balance sheet.

At Marmato, underground access connecting the Bulk Mining Zone to the new plant area is complete, the SAG and ball mills are on site, and mechanical installation is underway. Construction of the 5,000 tpd CIP plant continues to advance toward first gold and is on schedule for Q4 2026. At Segovia, increased investment in underground development and haulage infrastructure is building the mining capacity required to support higher production from the expanded processing facilities.

We remain on track to achieve our 2026 production guidance. With Segovia and Marmato providing a clear path toward approximately 500,000^2^ ounces of annual production, and Soto Norte and Toroparu continuing to advance, Aris Mining is well positioned to deliver its longer-term growth strategy.

At Soto Norte, the environmental studies and preparation of the environmental license application are nearing completion. At Toroparu, the prefeasibility study remains on schedule for completion in the second half of 2026.”

Q2 2026 Q1 2026 H1 2026 H1 2025
Gold<br> production (koz), total 73.7 74.3 148.0 113.4
Gold<br> sold (koz), total 72.1 74.8 147.0 115.3
Segovia<br> – AISC, Owner Mining ($/oz sold) $1,767 $1,492 $1,623 $1,503
Segovia<br> – CMP^3^ AISC Sales Margin 46% 40% 43% 41%
EBITDA<br> (US$M) $163 $182 $344 $71
Adjusted<br> EBITDA (US$M) $179 $212 $391 $165
Adjusted<br> EBITDA, last 12 months (US$M) $690 $610 $690 $264
Net<br> earnings (loss)^4^ (US$M) $94 or $0.46/sh $98<br> or $0.47/sh $192 or $0.93/sh ($15)<br> or ($0.08)/sh
Adjusted<br> earnings^4^(US$M) $96 or $0.47/sh $124<br> or $0.60/sh $220 or $1.07/sh $75<br> or $0.43/sh
Adjusted<br> earnings^4^, last 12 months (US$M) $386 or $1.89/sh $337<br> or $1.71/sh $386 or $1.89/sh $113<br> or $0.64/sh
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Q2& H1 2026 Operational Performance

Segovia produced 64.4 koz, bringing H1 2026 production to 131.0 koz.
Q2<br> 2026 production reflected higher throughput, with 202.5 thousand tonnes (kt) processed<br> at an average gold grade of 10.23 g/t, compared with 175.4 kt at 12.41 g/t in Q1 2026.
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Segovia’s<br> Q2 results reflect continued investment in underground development to support the ramp-up<br> toward consistent utilization of the expanded 3,000 tonnes per day (tpd) processing capacity<br> installed in June 2025. Tonnes processed increased by 15% quarter-over-quarter to 202.5<br> kt, while total Segovia investment, including sustaining and non-sustaining capital,<br> increased to $31 million in Q2 2026 from $17 million in Q1 2026.
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This<br> investment of $48 million in H1 2026 is advancing the development work required to increase<br> mining rates and improve haulage efficiency, including new ramps and a main underground<br> haulage circuit connecting the El Silencio, Providencia and Sandra K mines. This work<br> is being supported with the order of an expanded mining fleet through a combination of<br> purchase and leasing arrangements to renew aging equipment and advance the expansion<br> plan. Once complete, these initiatives are expected to support increased mill feed, more<br> efficient transport of workers, mill feed and waste, shorter cycle times, and reduced<br> traffic through town.
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Segovia<br> generated an AISC margin of $157 million in Q2 2026, supported by higher tonnes processed<br> and continued strong gold prices, bringing H1 2026 AISC margin to $356 million.
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Owner-operated<br> mining contributed 67% of mill feed, while Contract Mining Partner (CMP) sourced material<br> contributed 33%, consistent with Q1 2026.
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Owner-operated<br> mining AISC was $1,767/oz for Q2 2026, bringing H1 2026 owner-operated mining AISC to<br> $1,623/oz, below the full-year 2026 guidance range of $1,700 to $1,800/oz. The increase<br> from Q1 2026 partly reflected higher sustaining capital as the Company increased investment<br> in underground development to support higher mining capacity.
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CMP-sourced<br> gold delivered an AISC sales margin of 46% in Q2 2026, bringing H1 2026 CMP AISC sales<br> margin to 43%, above the top-end of the full-year 2026 guidance range of 35% to 40%.
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Combined<br> AISC is $1,974/oz for H1 2026.
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Figure 1: Combined AISC and Realized Gold Price Trends($/oz) – Segovia

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Marmato produced 9.3 koz, bringing H1 2026 production to 17.1 koz.
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Q2<br> 2026 production reflected the processing of 84.6 kt at an average gold grade of 3.79<br> g/t, compared to 77.0 kt at 3.53 g/t in Q1 2026.
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This<br> increased production reflects the operating capacity of the existing flotation plant<br> together with mill feed sourced primarily from ore development and stopes in the Bulk<br> Mining Zone and CMPs operating in the Narrow Vein Zone.
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Throughput<br> is expected to increase materially following commissioning of the new 5,000 tpd carbon-in-pulp<br> (CIP) plant, with first gold expected in Q4 2026.
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Aris<br> Mining plans to exit 2026 operating the new CIP plant at approximately 3,000 tpd, before<br> ramping up through 2027 to approximately 4,000 tpd by mid-2027 and the full 5,000 tpd<br> design capacity by the end of 2027, following commissioning of the paste backfill plant.
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2026 Outlook
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Aris<br> Mining remains on track to achieve its 2026 production guidance of 300,000 to 350,000<br> ounces of gold.
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H1<br> 2026 production of 148 koz represents approximately 49% of the low end and 46% of the<br> midpoint of the full-year guidance range, with production expected to be weighted to<br> the second half of the year.
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Segovia<br> is expected to continue increasing mining capacity and production through the second<br> half of the year.
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Marmato’s<br> new 5,000 tpd design-capacity CIP plant remains on schedule for first gold in Q4 2026,<br> supporting the Company’s 2026 production guidance for Marmato of 35,000 to 50,000<br> ounces.
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The<br> lower end of the Marmato guidance range is expected to be achievable through the existing<br> flotation plant, while the upper end assumes successful commissioning of the new CIP<br> plant in Q4 2026.
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ProjectDevelopment Highlights

Marmato expansion advancing toward commissioning and first gold
Construction<br> of the new 5,000 tpd design-capacity CIP plant remains on schedule for first gold in<br> Q4 2026.
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The<br> SAG and ball mills are on site and mechanical installation is underway.
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The<br> Bulk Mining Zone is prepared to support the initial ramp-up of the new CIP plant. The<br> underground connection completed earlier this year established direct access between<br> the Bulk Mining Zone and the new process plant area, improving access, ventilation and<br> haulage, and supporting the planned production ramp-up.
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As<br> at July 1, 2026, the estimated capital required to achieve first gold from the Marmato<br> CIP plant in Q4 2026 is approximately $118 million. After the final $42 million installment<br> expected from Wheaton Precious Metals in Q3 2026, the net funding requirement of approximately<br> $76 million will be funded from the Company’s cash balance and operating cash flow.
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Toroparu Project progressing toward a potential early 2027 construction decision
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The<br> Prefeasibility Study (PFS) remains on schedule for completion in H2 2026, supporting<br> a construction decision targeted for early 2027.
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Project<br> optimization work in support of the PFS includes updated mine scheduling, engineering<br> studies and other activities to advance to construction readiness.
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Pre-construction<br> activities underway, including construction of the Puruni River bridge, camp expansion,<br> road improvements and other site infrastructure.
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The<br> project team has grown to 100 employees in Guyana, with several key leadership appointments<br> made during the quarter to support project development and execution.
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Aris<br> Mining continues active engagement with the Government of Guyana and the Guyana Geology<br> and Mines Commission (GGMC) to obtain the mining license and keep stakeholders informed<br> of project progress.
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Preliminary<br> Economic Assessment (PEA) completed<br> in October 2025, outlining an attractive project with average annual gold production<br> of 235 koz and an after-tax NPV5% of $1.8 billion, IRR of 25%, and 3.0-year<br> payback at an assumed gold price of $3,000/oz.^5^
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Soto Norte Project nearing completion of environmental studies and environmental license application preparation
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The<br> project incorporates industry-leading environmental and social design features, including<br> a metallurgical process free of cyanide and mercury, together with a CMP program that<br> allocates approximately 750 tpd of processing capacity to local miners, over 20% of Soto<br> Norte’s 3,500 tpd processing capacity.
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The<br> environmental studies and preparation of the environmental license application are nearing<br> completion.
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PFS<br> completed<br> in September 2025, demonstrating robust economics with average annual gold production<br> (years 2 to 10) of 263 koz and an after-tax NPV5% of $2.7 billion, IRR of<br> 35%, and 2.3-year payback at an assumed gold price of $2,600/oz.^6^ Strong leverage<br> to higher gold prices, at $3,000/oz the NPV5% increases to $3.3 billion with<br> an IRR of 40%.
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Q22026 Conference Call Details

Management will host a conference call on Wednesday, July 29, 2026, at 2:30 pm PT / 5:30 pm ET / 9:30 pm GMT to discuss the results.

Participants may gain expedited access to the conference call by registering at Diamond Pass Registration. Once registered, call-in details will be displayed on screen which can be used to bypass the operator and avoid the call queue. Registration will remain open until the end of the live conference call.

Webcast

Link:<br> Webcast Q2 2026 Conference Call

ConferenceCall

Toll-free<br> North America: +1-833-821-0197
International:<br> +1-647-846-2328
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AudioRecording

After<br> the call, an audio recording will be available via telephone until end of day on August<br> 5, 2026
Toll-free<br> in the US and Canada: +1-855-669-9658
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International:<br> +1-412-317-0088; and using the access code: 2624894
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Aris Mining’s Condensed Consolidated Interim Financial Statements for the three and six months ended June 30, 2026 and related MD&A are available on SEDAR+, in the Company’s filings with the U.S. Securities and Exchange Commission (the SEC) and in the Financials section of Aris Mining’s website here. Hard copies of the financial statements are available free of charge upon written request to [email protected].

AboutAris Mining

Aris Mining is a Canadian gold mining company focused on South America. The Company operates the Segovia and Marmato underground gold mines in Colombia, which together produced approximately 257,000 ounces of gold in 2025. Aris Mining is listed on the Toronto Stock Exchange and the New York Stock Exchange under the symbol ARIS.

The Company is advancing expansion projects at Segovia and Marmato that are expected to increase annual gold production to approximately 500,000 ounces^2^, driven by the ramp-up at Segovia following the installation of the second mill which was completed in June 2025, and construction of the new Marmato bulk mine and CIP plant, with first gold expected in Q4 2026.

Aris Mining’s portfolio supports a longer-term objective of approximately 1 million ounces of annual gold production^7^. Key projects include the high-grade Soto Norte gold project in Colombia and the Toroparu gold project in Guyana, where a Prefeasibility Study is in progress and a construction decision is expected in early 2027.

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

ArisMining Contact

Oliver Dachsel Lillian Chow
Senior Vice President, Capital Markets Director, Investor Relations & Communications
+1.917.847.0063 [email protected]

Endnotes

1. All references to adjusted earnings, EBITDA, adjusted EBITDA, growth capital investment, cash flow after sustaining capital and income taxes, cash costs ($ per oz) and AISC ($ per oz) are non-GAAP financial measures in this document. These measures are intended to provide additional information to investors. They do not have any standardized meanings under IFRS, and therefore may not be comparable to other issuers and should not be considered in isolation or as a substitute for measures of performance prepared in accordance with IFRS. Refer to the Non-GAAP Measures section in this document for a reconciliation of these measures to the most directly comparable financial measure disclosed in the Company’s financial statements.

2. Reflects expected steady-state annual gold production run-rates of approximately 300 koz at Segovia and 200 koz at Marmato following completion and ramp-up of the respective expansion projects. For more information, please refer to the Company’s news releases dated June 30, 2025 regarding the Segovia expansion and March 12, 2025 regarding the Marmato expansion

3. Aris Mining operates its own mines and contracts with community-based mining partners, referred to as Contract Mining Partners or CMPs, to increase total gold production. Some partners work within Aris Mining’s infrastructure, while others manage their own mining operations on Aris Mining’s titles using their own infrastructure. In addition, Aris Mining purchases high grade mill feed from third-party contractors operating off-title, which further optimizes production and increases operating margins.

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4. Net earnings represents net earnings attributable to owners of the company, as presented in the annual and interim financial statements for the relevant period.

5. See technical report dated October 28, 2025 and entitled “NI 43-101 Technical Report Preliminary Economic Assessment for the Toroparu Project Cuyuni-Mazaruni Region, Guyana”. Note that this PEA is preliminary in nature. It includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the preliminary economic assessment will be realized. Mineral resources that are not mineral reserves do not have demonstrated economic viability.

6. See technical report dated September 3, 2025 and entitled “NI 43-101 Technical Report Prefeasibility Study for the Soto Norte Project, Santander, Colombia.”

7. Includes potential production estimates from Toroparu, which is based on a preliminary economic assessment effective October 21, 2025, which contemplates a 7.0 Mtpa operation over a 21.3-year mine life with average annual gold production of approximately 235 koz at a base case gold price of US$3,000/oz. The preliminary economic assessment is preliminary in nature and includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the preliminary economic assessment will be realized. Mineral resources that are not mineral reserves do not have demonstrated economic viability. There can be no assurance that the projected production will be achieved. In the case of Soto Norte and Toroparu, such production also remains subject to obtaining all necessary permits and to formal construction decisions by the Company.

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Non-GAAPMeasures

Cashcosts & all-in sustaining cost per ounce

For the three months ended,
Segovia Jun 30, 2026 Mar 31, 2026 Jun 30, 2025 March 31, 2025
Total<br> gold sold (ounces) 62,762 67,709 53,751 47,390
Cost of sales^1^ 110,226 116,108 76,719 67,091
Less: royalties^1^ (10,741) (11,139) (5,539) (4,519)
Add:<br> by-product revenue^1^ (8,703) (7,449) (2,798) (3,073)
Total cash costs 90,782 97,520 68,382 59,499
Add: royalties^1^ 10,741 11,139 5,539 4,519
Add: social contributions^1^ 8,661 12,358 5,177 4,061
Add:<br> sustaining capital expenditures and lease payments 14,473 11,917 11,284 6,336
Total AISC 124,657 132,934 90,382 74,415
AISC per ounce sold $1,986 $1,963 $1,681 $1,570
Marmato
Total<br> gold sold (ounces) 9,362 7,134 7,273 6,891
Cost<br> of sales^1^ 26,542 23,096 17,255 15,384
Less:<br> royalties^1^ (3,938) (3,332) (2,044) (1,840)
Add:<br> by-product revenue^1^ (123) (306) (427) (313)
Total cash costs 22,481 19,458 14,784 13,231
Add:<br> royalties^1^ 3,938 3,332 2,044 1,840
Add:<br> social contributions^1^ 392 940 385 273
Add:<br> sustaining capital expenditures 1,791 1,481 1,426 733
Total AISC 28,602 25,211 18,639 16,077
Consolidated
Total<br> gold sold (ounces) 72,124 74,843 61,024 54,281
Cost<br> of sales^1^ 136,768 139,204 93,974 82,475
Less:<br> royalties^1^ (14,679) (14,471) (7,583) (6,359)
Add:<br> by-product revenue^1^ (8,826) (7,755) (3,225) (3,386)
Total cash costs 113,263 116,978 83,166 72,730
Add:<br> royalties^1^ 14,679 14,471 7,583 6,359
Add:<br> social contributions^1^ 9,053 13,298 5,562 4,334
Add:<br> sustaining capital expenditures and lease payments 16,264 13,398 12,710 7,069
Total AISC 153,259 158,145 109,021 90,492
1. As<br> presented in the financial statements and notes thereto for the respective periods
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All-insustaining cost per ounce – business units (Segovia)

For the three months ended,
Segovia - Owner Mining June 30, 2026 Mar 31, 2026 Dec 31, 2025 Sep 30, 2025 Jun 30, 2025 Mar 31, 2025
Total<br> gold sold (ounces) 41,520 45,789 40,260 40,984 32,685 26,963
Cost<br> of sales^1^ 61,207 54,858 52,773 48,502 39,532 34,799
Less:<br> inventory provision (895)
Less:<br> royalties^1^ (7,415) (7,805) (5,689) (5,000) (3,605) (2,783)
Add:<br> by-product revenue^1^ (5,771) (5,037) (3,610) (2,566) (1,714) (1,748)
Total cash costs 48,021 42,015 42,578 40,936 34,213 30,268
Add:<br> royalties^1^ 7,415 7,805 5,689 5,000 3,605 2,783
Add:<br> social contributions^1^ 5,961 8,660 6,058 5,155 3,366 2,501
Add:<br> sustaining capital and lease payments 11,949 9,835 12,601 8,430 8,511 4,397
Total AISC 73,346 68,315 66,926 59,521 49,695 39,949
AISC ($/oz sold) $1,767 $1,492 $1,662 $1,452 $1,520 $1,482
Segovia - CMPs
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Total gold sold (ounces) 21,242 21,920 24,196 24,596 21,066 20,427
Cost of sales^1^ 49,019 61,250 50,271 44,747 37,187 32,292
Less: inventory provision (279)
Less: royalties^1^ (3,326) (3,334) (2,909) (2,532) (1,934) (1,736)
Add: by-product revenue^1^ (2,932) (2,412) (2,218) (1,550) (1,084) (1,325)
Total cash costs 42,761 55,505 44,865 40,665 34,169 29,231
Add: royalties^1^ 3,326 3,334 2,909 2,532 1,934 1,736
Add: social contributions^1^ 2,700 3,698 3,110 2,632 1,811 1,560
Add: sustaining capital and lease payments 2,524 2,082 4,053 2,256 2,773 1,939
Total AISC 51,311 4,619 54,937 48,085 40,687 34,466
AISC ($/oz sold) $2,415 $2,948 $2,270 $1,955 $1,931 $1,687
Segovia - Combined
Total gold produced (ounces) 64,424 66,567 63,137 65,549 51,527 47,549
Total gold sold (ounces) 62,762 67,709 64,456 65,580 53,751 47,390
Gold revenue 281,764 331,611 273,127 229,116 177,551 135,310
Avg realized gold price ($/oz sold) $4,489 $4,898 $4,237 $3,494 $3,303 $2,855
Cost of sales^1^ 110,226 116,108 103,043 93,249 76,719 67,091
Less: inventory provision — **** (1,174)
Less: royalties^1^ (10,741) (11,139) (8,598) (7,532) (5,539) (4,519)
Add: by-product revenue^1^ (8,703) (7,449) (5,828) (4,116) (2,798) (3,073)
Combined cash costs 90,782 97,520 87,443 81,601 68,382 59,499
Add: royalties^1^ 10,741 11,139 8,598 7,532 5,539 4,519
Add: social contributions^1^ 8,661 12,358 9,168 7,787 5,177 4,061
Add: sustaining capital and lease payments 14,473 11,917 16,654 10,686 11,284 6,336
Combined AISC 124,657 132,934 121,863 107,606 90,382 74,415
AISC ($/oz sold) $1,986 $1,963 $1,891 $1,641 $1,681 $1,570
AISC Margin 157,108 198,677 151,264 121,510 87,169 74,415

1. As presented in the financial statements and notes thereto for the respective periods

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Operatingfree cash flow and free cash flow after growth and expansion capital

($’000) Jun 30, 2026 Mar 31, 2026 Jun 30, 2025 Mar 31, 2025
Operating cash flows before taxes**^1^** 199,189 184,981 123,963 51,882
Adjusting<br> Items: ****
Precious<br> metal stream deposit settled (received) ^1^ (40,016)
Finance<br> income**^1^** (4,166) (3,383) (3,474) (2,336)
Impact<br> of FX on cash and cash equivalents**^1^** 1,600 814 925 768
Adjusted operating cash flows before taxes 196,623 142,396 121,414 50,314
Less:<br> Income taxes paid**^1^** (113,086) (26,171) (42,244) (5,121)
Adjusted net cash provided by operating activities 83,537 116,225 79,170 45,193
****
Less:<br> Sustaining capital (15,655) (12,837) (12,287) (6,589)
Less:<br> Sustaining lease payments (609) (561) (423) (480)
Cash flow from operations after sustaining capital and income taxes 67,273 102,827 66,460 38,124
****
Less:<br> Growth and expansion capital (105,084) (61,251) (36,745) (43,010)
Free cash flow after growth and expansion capital (37,811) 41,576 29,715 (4,886)

1. As presented in the financial statements and notes thereto for the respective periods.

Additionsto mineral interests, plant and equipment

($’000) Jun 30, 2026 Mar 31, 2026 Jun 30, 2025 Mar 31, 2025
Sustaining capital
Segovia 13,864 11,356 10,861 5,856
Marmato 1,791 1,481 1,426 733
Total Sustaining Capital 15,655 12,837 12,287 6,589
Non-sustaining capital ****
Marmato 76,290 47,031 23,628 29,661
Segovia 17,279 5,454 6,930 6,368
Soto<br> Norte Project and other 5,576 3,445 3,446 4,570
Toroparu<br> Project 5,939 5,321 2,741 2,411
Total (Growth Capital Investment) 105,084 61,251 36,745 43,010
Additions to mining interest, plant and equipment^1^ 120,739 74,088 49,032 49,599

1. As presented in the financial statements and notes thereto for the respective periods.

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Earningsbefore interest, taxes, depreciation, and amortization (EBITDA) and adjusted EBITDA

($000s) Jun 30, 2026 Mar 31, 2026 Dec 31, 2025 Sep 30, 2025
Earnings (loss) before tax^1^ 141,579 161,672 97,519 76,094
Add<br> back:
Depreciation<br>and depletion^1^ 17,322 16,246 16,809 13,459
Finance<br>income^1^ (4,166) (3,383) (4,353) (2,437)
Interest<br>and accretion^1^ 7,803 7,408 10,431 9,390
EBITDA 162,538 181,943 120,406 96,506
Add<br> back:
Share-based compensation^1^ (809) 7,602 20,663 9,497
(Income) loss from<br>equity accounting in investee^1^ (14)
(Gain) loss on financial<br>instruments^1^ (26,548) 1,762 3,058 6,385
Loss<br>on disposal of mining interest and PPE^1^ 3,200
Loss on settlement<br>of deferred revenue^1^ 4,990
Other (income) expense^1^ 3,505 9,177 6,447 1,961
Foreign<br>exchange (gain) loss^1^ 39,902 11,590 12,446 13,520
Adjusted EBITDA 178,588 212,074 167,996 131,069

1. As presented in the financial statements and notes thereto for the respective periods

(000s) Jun 30, 2025 Mar 31, 2025 Dec 31, 2024 Sep 30, 2024
Earnings<br> (loss) before tax1 12,258 21,220 37,513 13,603
Add<br> back:
Depreciation<br>and depletion1 11,929 10,734 9,530 9,019
Finance<br>income1 (3,474) (2,336) (1,606) (1,351)
Interest<br>and accretion1 10,833 10,037 21,165 6,493
EBITDA 31,546 39,655 66,602 27,764
Add<br> back:
Share-based<br>compensation1 8,136 3,784 (483) 2,533
(Income)<br>loss from equity accounting in investee1 14 14 17
(Gain)<br>loss on financial instruments1 50,737 16,628 (6,561) 12,842
Other (income) expense1 1,090 535 1,116 (428)
Foreign<br>exchange (gain) loss1 7,224 5,997 (5,113) 311
Adjusted<br> EBITDA 98,733 66,613 55,575 43,039

All values are in US Dollars.

1. As presented in the financial statements and notes thereto for the respective periods.

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NEWS RELEASE<br><br><br><br><br><br><br>TSX<br>& NYSE: ARIS<br><br><br><br>aris-mining.com

Adjustednet earnings and adjusted net earnings per share

(000s<br> except shares amount) Jun 30, 2026 Mar 31, 2026 Dec 31, 2025 Sep 30, 2025
Basic<br> weighted average shares outstanding1 206,398,410 205,967,201 203,245,172 199,171,052
Net<br> earnings (loss)1 94,243 97,614 50,863 42,011
Add<br> back:
Share-based<br>compensation1 (809) 7,602 20,663 9,497
(Income)<br>loss from equity accounting in investee1 (14)
(Gain)<br>loss on financial instruments1 (26,548) 1,762 3,058 6,385
Loss<br>on disposal of mining interest and PPE1 3,200
Loss on<br> settlement of deferred revenue1 4,990
Other<br> (income) expense1 3,505 9,177 6,447 1,961
Foreign<br>exchange (gain) loss1 39,902 11,590 12,446 13,520
Income<br> tax effect on adjustments (13,966) (4,057) (4,356) (4,732)
Adjusted<br> net earnings 96,327 123,688 94,097 71,842
Adjusted<br> net earnings per share – basic (/share) 0.47 0.60 0.46 0.36

All values are in US Dollars.

1. As presented in the financial statements and notes thereto for the respective periods.

($000s except shares amount) Jun 30, 2025 Mar 31, 2025 Dec 31, 2024 Sep 30, 2024
Basic<br> weighted average shares outstanding^1^ 179,836,208 171,622,649 170,900,890 169,873,924
Net<br> earnings (loss) ^1^ (16,897) 2,368 21,687 (2,074)
Add<br> back:
Share-based<br>compensation^1^ 8,136 3,784 (483) 2,533
(Income)<br>loss from equity accounting in investee^1^ 14 14 17
(Gain)<br>loss on financial instruments^1^ 50,737 16,628 (6,561) 12,842
Other (income) expense^1^ 1,090 535 1,116 (428)
Loss on extinguishment<br> of Senior Notes^1^ 11,463
Foreign<br>exchange (gain) loss^1^ 7,224 5,997 (5,113) 311
Income<br> tax effect on adjustments (2,528) (2,099) 2,536 (109)
Adjusted net earnings 47,762 27,227 24,659 13,092
Adjusted<br> net earnings per share – basic ($/share) 0.27 0.16 0.14 0.08

1. As presented in the financial statements and notes thereto for the respective periods.

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NEWS RELEASE<br><br><br><br><br><br><br>TSX<br>& NYSE: ARIS<br><br><br><br>aris-mining.com

CashCost and All-in Sustaining Cost

Cash costs per ounce, and all-in sustaining cost per ounce (as calculated in the tables above) are performance measures that reflect certain costs that are required to produce and sell an ounce of gold from operations. Management believes that these two measures are useful to market participants in assessing operating performance and the Company’s ability to generate cash flow from current operations. These measures do not have standardized meanings under IFRS and may not be comparable to similar measures used by other issuers.

OperatingCash Flow and Free Cash Flow after Growth and Expansion Capital

Cash flow from operations after sustaining capital and income taxes is calculated as adjusted net cash provided by operating activities, less sustaining capital and income taxes paid. Free cash flow after growth and expansion capital is calculated by further deducting growth and expansion capital. Management believes these measures are useful to market participants in assessing the Company’s ability to generate cash flow from operations after funding its capital requirements. These measures do not have standardized meanings under IFRS and may not be comparable to similar measures used by other issuers.

Growthand Expansion Capital

Growth and expansion capital represents additions to depletable and non-depletable mineral interests, right of use assets, exploration projects, and plant and equipment that are not sustaining in nature. Management believes this measure is useful to market participants in assessing the level of capital invested to expand operations, develop projects and support future growth separately from capital required to sustain current operations. This measure does not have a standardized meaning under IFRS and may not be comparable to similar measures used by other issuers.

EBITDAand Adjusted EBITDA

EBITDA is calculated as earnings before tax, adjusted to add back depreciation and depletion, finance income, and interest and accretion. Adjusted EBITDA is calculated by further excluding items that management does not consider to be reflective of the underlying operating performance. Management believes these measures are useful to market participants in assessing the Company’s operating performance and ability to generate cash flow from operations. These measures do not have standardized meanings under IFRS and may not be comparable to similar measures used by other issuers.

AdjustedNet Earnings and Adjusted Net Earnings Per Share

Adjusted net earnings is calculated as net earnings attributable to owners of the Company, adjusted for items that management does not consider to be reflective of the underlying operating performance of the Company Adjusted net earnings per share is calculated by dividing adjusted net earnings by the basic weighted average number of shares outstanding for the applicable period. Management believes these measures are useful to market participants in assessing the Company’s underlying financial performance and results on a per share basis. These measures do not have standardized meanings under IFRS and may not be comparable to similar measures used by other issuers.

QualifiedPerson and Technical Information

Pamela De Mark, P.Geo., Senior Vice President Geology and Exploration of Aris Mining, is a Qualified Person as defined by National Instrument 43-101 (NI 43-101), and has reviewed and approved the technical information contained in this news release.

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NEWS RELEASE<br><br><br><br><br><br><br>TSX<br>& NYSE: ARIS<br><br><br><br>aris-mining.com

Forward-LookingInformation

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 limitation, statements relating to the Company’s ability to deliver on its 2026 objectives, updates and timing for completion, first gold pour and ramp-up at the Marmato CIP plant, the Company’s longer-term growth outlook, the timeline for submission of the environmental license application for the Soto Norte Project, the timeline for a Prefeasibility Study and construction decision for the Toroparu Project, the objective of reaching 1 million ounces of gold production, are forward-looking. 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 factors 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 11, 2026 which is available on SEDAR+ at www.sedarplus.ca and included as part of the Company’s Annual report on Form 40-F, filed with the SEC at www.sec.gov.

Although Aris Mining has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking information and forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such information or statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information or statements. The Company discloses in its Management’s Discussion and Analysis and other publicly filed documents, changes to material factors or assumptions underlying the forward-looking information and forward-looking statements and to the validity of the information, in the period the changes occur. The forward-looking statements and forward-looking information are made as of the date hereof and Aris Mining disclaims any obligation to update any such factors or to publicly announce the result of any revisions to any of the forward-looking statements or forward-looking information contained herein to reflect future results. Accordingly, readers should not place undue reliance on forward-looking statements and information.

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