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ARIS MINING REPORTS Q2 2025 RESULTS Higher Gold Sales, Record Adjusted EBITDA & Earnings, and Significant Growth in Cash

Financials

Higher Gold Sales, Record Adjusted EBITDA & Earnings, and Significant Growth in Cash

Vancouver, Canada, August 7, 2025 – Aris Mining Corporation (Aris Mining or the Company) (TSX: ARIS; NYSE- A: ARMN) announces its financial and operating results for the three and six months ended June 30, 2025 (Q2 2025 and H1 2025). In addition, the Company announces the publication of its 2024 Sustainability Report, which is available for review on our website. All amounts are in U.S. dollars unless otherwise indicated.

Q2 2025 Financial Performance

  • Record revenue of $200.2 million, up 30% from Q1 2025 and 75% from Q2 2024, driven by higher gold prices and increased sales volumes.
  • Cash balance increased to $310 million as of June 30, 2025, up from $240 million at March 31, 2025 as a result of strong cash flow generation from operations and proceeds from ARIS.WT.A warrant exercises. After June 30, 2025, the Company received an additional $60.5 million from the exercise of these warrants, which expired on July 29. In total, 98.7% of the warrants were exercised, generating $114.8 million in proceeds.
  • Adjusted EBITDA1 of $98.7 million, up 48% from Q1 2025 and nearly triple Q2 2024. On a trailing 12-month basis, Adjusted EBITDA1 has reached $264.0 million.
  • Growth capital investment of $36.7 million, supporting long-term expansion, primarily at the Marmato Bulk Mining Zone ($23.6 million) and Segovia ($6.9 million).
  • Record adjusted net earnings of $47.8 million or $0.27/share – the highest since Aris Mining’s formation in September 2022 – up from $0.16/share in Q1 2025 and $0.08/share in Q2 2024.

Neil Woodyer, CEO, commented “With record adjusted net earnings, over $310 million in cash, and the commissioning of the second mill at Segovia, we are well‑positioned for stronger production in the second half of 2025 while advancing construction of the Marmato Bulk Mining Zone and technical studies at Soto Norte and Toroparu, which underpin a compelling growth pipeline. The expiry of the ARIS.WT.A warrants on July 29 has simplified our capital structure and eliminated a source of non‑cash earnings volatility. We remain firmly on track to become a leading intermediate gold producer in Latin America with a highly attractive profile for investors.”

Q2 2025Q1 2025Q2 2024
Gold production ounces (oz), total Gold sold (oz), total58,65254,763 54,28149,216
61,02449,469
Segovia – AISC, Owner Mining ($/oz sold) Segovia – CMP AISC Margin$1,520$1,482 41%$1,616
42%34%
EBITDA Adjusted EBITDA Adjusted EBITDA, last 12 months$31.6M$39.7M $66.6M $201.3M$30.8M
$98.7M$36.1M
$264.0M$144.6M
Net earnings (loss)2 Adjusted earnings Adjusted earnings, last 12 months$(16.9)M3 or $(0.09)/share$2.4M or $0.01/share $27.2M or $0.16/share $77.7M or $0.46/share$5.7 or $0.04/share
$47.8M or $0.27/share$12.7 or $0.08/share
$112.7M or $0.65/share$42.9M or $0.31/share

Q2 2025 Operational Performance

  • Gold production totaled 58,652 oz, a 7% increase from 54,763 oz in Q1 2025. Production is expected to progressively increase in H2 2025 following the June 2025 commissioning of the second mill at Segovia.
  • Marmato Narrow Vein Zone produced 7,125 oz, a 29% increase over Q2 2024 and consistent with Q1 2025 production levels.
  • Segovia Operations produced 51,527 oz, supported by gold grades of 9.9 g/t and gold recoveries of 96.1%.
    • AISC margin increased to $87.2 million, up 43% from Q1 2025. On a trailing 12-month basis, AISC margin has reached $250.4 million.
    • Owner-operated Mining AISC was $1,520/oz (Q1 2025: $1,482/oz), bringing H1 2025 average to $1,503/oz, tracking toward the lower end of the full year 2025 guidance range of $1,450 to $1,600.
    • Contract Mining Partner (CMP) sourced gold delivered an AISC sales margin of 42%, contributing to a 41% margin for H1 2025. This is above the full-year 2025 guidance range of 35% to 40%.
    • Total AISC increased to $1,681/oz (Q1 2025: $1,570), primarily due to higher gold prices, which increased costs related to material purchased from CMPs, together with royalties and social contributions tied to gold sales.

Figure 1: Strong AISC Margin Growth ($ million) – Segovia

$87.2

$60.9 Total

$29.4 $58.3

$44.1 CMP AISC Margin

$23.9 $23.0 $32.2

Owner Mining AISC Margin

$21.0 $57.8 $18.1 $35.3 $37.0 $23.1 $14.1

Q2 2024 Q3 2024 Q4 2024 Q1 2025 Q2 2025

Figure 2: Total AISC and Realized Gold Price Trends ($/oz) – Segovia

$3,303

$2,855

AISC Margin/oz

$2,642 $2,457

$2,313 Realized Gold Price/oz

$1,622

Total AISC/oz

$742

$1,681 $1,571 $1,570 $1,540 $1,485

Q2 2024 Q3 2024 Q4 2024 Q1 2025 Q2 2025

Total Segovia Operating InformationQ2 2025Q1 2025Q2 2024
Average realized gold price ($/oz sold) Tonnes milled (t) Average tonnes milled per day (tpd) Average gold grade processed (g/t) Gold produced (oz) Gold sold (oz) AISC margin ($M)$3,303$2,855$2,313 155,912 1,834 9.14 43,705 43,366 32.2
167,960167,150
1,9761,966
9.859.37
51,52747,549
53,75147,390
87.260.9
Segovia Operating Information by SegmentQ2 2025Q1 2025Q2 2024
Owner Mining Gold sold (oz) Cash costs – ($/oz sold) AISC – ($/oz sold) AISC margin ($M) CMPs Gold sold (oz Cash costs – ($/oz sold) AISC – ($/oz sold) AISC sales margin (%) AISC margin ($M)20,183 1,222 1,616 14.1 23,183 1,367 1,532 34% 18.1
32,68526,963
$1,047$1,123
$1,520$1,482
57.837.0
21,06620,427
$1,622$1,431
$1,931$1,687
42%41%
29.423.9
  • Aris Mining operates its own mines and contracts with community-based mining partners, referred to as Contract Mining Partners

(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.

Growth and Expansion Updates

  • Strong cash generation funding growth:
    • Operations generated $74.6 million in cash flow after sustaining capital and income taxes in Q2 2025, fully funding all growth and expansion initiatives. After expansion capital, Aris Mining generated $37.9 million in net cash flow. See the Quarterly cash-flow summary in the following sections for additional cash flow analysis.
  • Segovia expansion progressing well:
    • Commissioning of the second ball mill in June 2025 marked a major milestone. The expanded plant capacity is expected to steadily increase gold production throughout H2 2025.
    • As underground development advances and mill feed from contract mining partners increases, Segovia remains on track to achieve annual production of 210,000 to 250,000 ounces this year and targeting 300,000 ounces next year.
    • $6.9 million was invested in Q2 2025 to support the plant expansion, underground development, and exploration activities.
  • Marmato Bulk Mining Zone construction advancing:
    • The Bulk Mining Zone is a large, porphyry-hosted gold-silver system with wide, continuous mineralized zones that support bulk underground mining methods. Extensive drilling has defined a large mineral resource, and the deposit remains open at depth and along strike.
    • Decline development to access the Bulk Mining Zone is underway.
    • Earthworks for the main substation are completed and earthworks for the carbon-in-pulp (CIP) plant platforms are nearing completion.
    • Equipment deliveries continued through the quarter, including major components such as crushers, mills, and tailings filters.
    • $23.6 million was invested in Q2 2025.
    • The project remains on schedule, with first ore and production ramp up expected in H2 2026.
  • Soto Norte Project:
    • A new Pre-Feasibility Study (PFS) is underway, with completion expected in Q3 2025. The PFS incorporates a smaller-scale development plan and includes processing options designed to support local small-scale miners.
    • Upon completion of the PFS, Aris Mining intends to finalize and submit the required studies to apply for an environmental license for the development of Soto Norte.
  • Toroparu Project:
    • A new Preliminary Economic Assessment (PEA) is underway to evaluate updated development options. Following the March 2023 mineral resource update, Aris Mining completed infrastructure optimization studies that strengthen the development plan. The PEA is expected to be completed in Q3 2025.

Endnotes

1 All references to adjusted earnings, EBITDA, adjusted EBITDA, growth capital investment, cash flow after sustaining capital and income taxes, cash costs and AISC 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 Net earnings represents net earnings attributable to owners of the company, as presented in the annual and interim financial statements for the relevant period.

3 A $45.5 million non-cash loss was recognized in Q2 2025 from fair value adjustments to the Company's warrant liability, valued at $40.8 million as of June 30, 2025. The fair value of the liability is directly correlated to the Company's share price, which increased by 38% during Q2 2025 (year-to-date: 82% increase). In July 2025, the Company received an additional $60.5 million in cash proceeds from exercises of these warrants. With these exercises and the July 29, 2025 expiry of the remaining outstanding warrants, the liability has been fully extinguished, removing a source of non-cash earnings volatility from future results.

Q2 2025 Conference Call Details

Management will host a conference call on Friday, August 8, 2025, at 9:00 a.m. New York / 6:00 a.m. Vancouver / 2:00 p.m. London / 3:00 p.m. Paris to discuss the results.

Participants may gain expedited access to the conference call by registering at Diamond Pass Registration (dpregister.com). 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: Webcast | Q2 2025 Conference Call

Conference Call

  • Toll-free North America: +1-833-821-0197
  • International: +1-647-846-2328

Audio Recording

  • After the call, an audio recording will be available via telephone until end of day August 15, 2025
  • Toll-free in the US and Canada: +1-855-669-9658
  • International: +1-412-317-0088; and using the access code: 8035390

A replay of the event will be archived at Events & Presentations - Aris Mining Corporation.

Aris Mining's Condensed Consolidated Interim Financial Statements for the three and six months ended June 30, 2025 and 2024 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].

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 operating assets, exploration and development projects. Aris Mining intends to unlock value through scale and diversification. The Company 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 Complex, 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 commissioning of the secondmill at Segovia, completed in June and ramping up during H2 2025, and the construction of the Bulk Mining Zone at the Marmato Complex, expected to start ramping up production in H2 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 Q3 2025. In Guyana, Aris Mining owns the Toroparu gold/copper project, where a new Preliminary Economic Assessment (PEA) is underway and its results are also expected in Q3 2025.

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.

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

Aris Mining Contact

O S +liver DachselLillian Chow
enior Vice President, Capital MarketsDirector, Investor Relations & Communications
1.917.847.0063[email protected]

Cautionary Language

Non-GAAP Measures

EBITDA, adjusted EBITDA, adjusted earnings, cash cost, growth and expansion expenditures, cash flow after sustaining capital and income tax and AISC are non-GAAP financial measures. These financial measures do not have any standardized meaning prescribed under IFRS or by Generally Accepted Accounting Principles (GAAP) in the United States, and therefore may not be comparable to other issuers. For full details on these measures refer to the “Non-GAAP Financial Measures” sections of the Company’s Management’s Discussion and Analysis for the three and six months ended June 30, 2025 and 2024 and years ended December 31, 2024 and 2023 (MD&As). The MD&As are incorporated by reference into this news release and are available at www.aris-mining.com, on the Company’s profile on SEDAR+ at www.sedarplus.ca and in its filings with the SEC at www.sec.gov.

The tables below reconcile the non-GAAP financial measures contained in this news release for the current and comparative periods to the most directly comparable financial measure disclosed in the Company's interim financial statements for the three and six months ended June 30, 2025 and 2024; the three months ended March 31, 2025 and 2024, and Company’s annual financial statements for the three months and years ended December 31, 2024 and 2023.

Quarterly cash-flow summary1

($000's)Q2 2025Q1 2025
Gold revenue2 $200,231 $154,142 Total cash cost (83,166) (72,730) Royalteis2 (7,583) (6,359) Social contributoins2 (5,562) (4,334) Sustaining capital (12,710) (7,069) All in sustaining cost (AISC) (109,021) (90,492) AISC margin 91,210 63,650 Taxes paid2 (42,244) (5,121) General and administratoin expense2 (5,187) (4,106) Decrease (increase) in VAT receivable 30,813 (11,761) Other changes in working capital (877) (11,685) Impact of foreign exchange losses on cash balances2 925 768 Afetr-tax adjusted sustaining margin 74,640 31,745 Expansion and growth capital expenditure Segovia Operatoins (6,930) (6,368) Marmato Bulk Mining Zone (23,628) (29,661) Toroparu Project (2,741) (2,411) Soto Norte Project & other (3,446) (4,570) Total expansion and growth capital (36,745) (43,010) Financing and other costs Proceeds from warrant and optoin exercises 2 57,670 5,197 Principal repayment of Gold Notes 2 (4,063) (3,941) Capitalized interest paid2 (5,802) (5,031) Interest (paid)2 (18,000) — Finance income2 2,633 2,336 Total fniancing and other costs 32,438 (1,439) Net change in cash2 70,333 (12,704) Opening cash balance at beginning of period2 239,831 252,535 Closing cash balance at end of period2 $310,164 $239,831$200,231$154,142
(83,166)(72,730)
(7,583)(6,359)
(5,562)(4,334)
(12,710)(7,069)
(109,021)(90,492)
91,21063,650
(42,244)(5,121)
(5,187)(4,106)
30,813(11,761)
(877)(11,685)
925768
74,64031,745
(6,930)(6,368)
(23,628)(29,661)
(2,741)(2,411)
(3,446)(4,570)
(36,745)(43,010)
57,6705,197
(4,063)(3,941)
(5,802)(5,031)
(18,000)—
2,6332,336
32,438(1,439)
70,333(12,704)
239,831252,535
$310,164$239,831

1. This Quarterly Cash Flow Summary is comprised of certain non-GAAP financial measures. Refer to the Non-GAAP Financial Measures section of this news release for further information.

2. As presented in the Financial Statements and notes for the respective periods.

Segovia AISC Margin

($000s except per ounce, and ounce amounts)Q2 2025Q1 2025 Q4 2024 Q3 2024 Q2 2024
Gold produced (ounces) Gold sold (ounces)51,52747,549 51,477 47,493 43,705 47,390 50,409 48,059 43,366
53,751
Financial Information Gold revenue ($'000s) Average realized gold price ($/ounce sold) Owner Mining costs CMP material purchases Processing costs Administratoin and security costs Change in fniished goods and stockpile inventory By-product and concentrate revenue Total cash costs Cash cost per ounce sold Royalteis Social contributoins Sustaining capital Sustaining lease payments All-in sustaining costs All-in sustaining cost per ounce sold (Combined) AISC Margin135,310 133,159 118,075 100,302 $2,855 $2,642 $2,457 $2,313 19,291 18,845 15,780 17,187 26,656 29,461 31,373 28,667 7,430 6,879 6,985 6,536 10,124 11,656 7,796 8,120 (929) (4,070) 1,130 (1,306) (3,073) (2,308) (2,665) (2,862)
177,551
$3,303
23,228
29,157
7,412
10,422
961
(2,798)
68,38259,499 60,463 60,399 56,342 $1,256 $1,199 $1,257 $1,299 4,519 4,34432 3 35,50066 3,078 4,061 4,063 4,294 2,120 5,856 5,426 5,423 6,224 480 567 389 364
$1,272
5,539
5,177
10,861
423
90,38274,415 74,861 74,011 68,128 $1,570 $1,485 $1,540 $1,571
$1,681
87,16960,895 58,298 44,064 32,174

Cash costs per ounce

Reconciliation of total cash costs by business unit at Segovia and Marmato to the cash costs as disclosed above.

Three months ended June 30, 2025 Three months ended March 31, 2025 ($000s except per ounce amounts) Segovia Marmato

TotalTotal
61,02447,390 6,891 67,091 15,384 (4,519) (1,840) (3,073) (313)54,281
93,97482,475
(7,583)(6,359)
(3,225)(3,386)
83,16659,499 13,23172,730

Total gold sold (ounces)

53,751 7,273

Cost of sales176,71917,255
Less: royalties1(5,539)(2,044)
Add: by-product revenue1(2,798)(427)
Total cash costs68,38214,784

Total cash costs ($ per oz gold sold) $1,256 $1,272 Total cash costs including royalties 73,921 64,018 Total cash costs including royalties ($ per oz gold sold) $1,375 $1,351

Three months ended June 30, 2024

($000s except per ounce amounts) Segovia Marmato
Total
Total gold sold (ounces) 43,366 6,103 Cost of sales1 62,282 14,712 Less: royalties1 (3,078) (1,126) Add: by-product revenue1 (2,862) (153)49,469
76,994
(4,204)
(3,015)
Total cash costs 56,342 13,43369,775

Total cash costs ($ per oz gold sold) $1,299 Total cash costs including royalties 59,420 Total cash costs including royalties ($ per oz gold sold) $1,370

Cash costs per ounce – Business Units (Segovia)

Three months ended June 30, 2025 Three months ended March 31, 2025 ($000s except per ounce amounts)

TotalTotal
53,75126,963 20,427 34,799 32,292 (2,783) (1,736) (1,748) (1,325)47,390
76,71967,091
(5,539)(4,519)
(2,798)(3,073)
68,38230,268 29,23159,499

Owner CMPs

Total gold sold (ounces)32,68521,066
Cost of sales139,53237,187
Less: royalties1(3,605)(1,934)
Add: by-product revenue1(1,714)(1,084)
Total cash costs34,21334,169
Total cash costs ($ per oz gold sold)$1,047$1,622 $1,272 $1,123 $1,431 $1,256

Three months ended June 30, 2024

($000s except per ounce amounts)OwnerCMPsTotal
Total gold sold (ounces)20,18323,18343,366
Cost of sales128,53133,75162,282
Less: royalties1(1,720)(1,358)(3,078)
Add: by-product revenue1(2,151)(711)(2,862)
Total cash costs24,66031,68256,342
$1,222$1,367$1,299

Total cash costs ($ per oz gold sold)

1 As presented in the Annual and Interim Financial Statements and notes thereto for the respective periods.

All-in sustaining costs (AISC)

Reconciliation of total AISC by business unit at Segovia and Marmato to the AISC as disclosed above.

Three months ended June 30, 2025 Three months ended Mar 31, 2025

($000s except per ounce amounts)SegoviaMarmato
Total gold sold (ounces)53,7517,273
Total cash costs68,38214,784
Add: royalties15,5392,044
Add: social programs15,177385
Add: sustaining capital expenditures10,8611,426
Add: lease payments on sustaining capital423—
Total AISC90,38218,639
Total AISC ($ per oz gold sold)$1,681$1,570
TotalTotal
61,02447,390 6,891 59,499 13,231 4,519 1,840 4,061 273 5,856 733 480 —54,281
83,16672,730
7,5836,359
5,5624,334
12,2876,589
423480
109,02174,415 16,07790,492

Three months ended June 30, 2024

($000s except per ounce amounts) Segovia Marmato
Total
Total gold sold (ounces) 43,366 6,103 Total cash costs 56,342 13,433 Add: royalties1 3,078 1,126 Add: social programs1 2,120 151 Add: sustaining capital expenditures 6,224 782 Add: lease payments on sustaining capital 364 —49,469
69,775
4,204
2,271
7,006
364
Total AISC 68,128 15,49283,620

Total AISC ($ per oz gold sold) $1,571

All-in sustaining costs (AISC) – Segovia by Business Unit

Three months ended Jun 30, 2025 Three months ended Mar 31, 2025

($000s except per ounce amounts) Owner CMPsTotalOwner CMPsTotal
Total gold sold (ounces) 32,685 21,066 Total cash costs 34,213 34,169 Add: royalties1 3,605 1,934 Add: social programs1 3,366 1,811 Add: sustaining capital expenditures 8,088 2,773 Add: lease payments on sustaining capital 423 —53,75126,963 20,427 30,268 29,231 2,783 1,736 2,501 1,560 3,917 1,939 480 —47,390
68,38259,499
5,5394,519
5,1774,061
10,8615,856
423480
Total AISC 49,695 40,68790,38239,949 34,46674,415
Total AISC ($ per oz gold sold) $1,520 $1,931$1,681$1,482 $1,687$1,570

Three months ended Dec 31, 2024 Three months ended Sep 30, 2024

($000s except per ounce amounts) Owner CMPsOwnerOwner CMPsTotal
Total gold sold (ounces) 28,149 22,260 Total cash costs 29,320 31,143 Add: royalties1 2,754 1,588 Add: social programs1 2,558 1,505 Add: sustaining capital expenditures 3,819 1,607 Add: lease payments on sustaining capital 567 —50,40922,952 25,107 24,820 35,579 1,999 1,507 2,449 1,845 3,640 1,783 389 —48,059
60,46360,399
4,3423,506
4,0634,294
5,4265,423
567389
Total AISC 39,018 35,84374,86133,297 40,71474,011
Total AISC ($ per oz gold sold) $1,386 $1,610$1,485$1,451 $1,622$1,540

Three months ended Jun 30, 2024

($000s except per ounce amounts) Owner CMPsTotal
Total gold sold (ounces) 20,183 23,183 Total cash costs 24,660 31,682 Add: royalties1 1,720 1,358 Add: social programs1 1,185 935 Add: sustaining capital expenditures 4,677 1,547 Add: lease payments on sustaining capital 364 —43,366
56,342
3,078
2,120
6,224
364
Total AISC 32,606 35,52268,128
Total AISC ($ per oz gold sold) $1,616 $1,532$1,571

1 As presented in the Annual and Interim Financial Statements and notes thereto for the respective periods.