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MTA.V ·

Metalla Reports Record Financial Results for the Second Quarter of 2026 and Provides Asset Updates

Production Results Financials

(All dollar amounts are in thousands of United States dollars unless otherwise indicated, except for shares, per ounce, and per share amounts)

FOR IMMEDIATE RELEASE TSXV: MTA NYSE American: MTA August 13, 2026

Vancouver, Canada: Metalla Royalty & Streaming Ltd. (“Metalla” or the “Company”) (TSXV: MTA) (NYSE American: MTA) announces its operating and financial results for the three and six months ended June 30, 2026. For complete details of the condensed interim consolidated financial statements and accompanying management's discussion and analysis for the three and six months ended June 30, 2026, please see the Company's filings on SEDAR+ (www.sedarplus.ca) or EDGAR (www.sec.gov). Shareholders are encouraged to visit the Company's website at www.metallaroyalty.com.

“Our second quarter reflected the continued growth of Metalla’s portfolio, with record revenue of $5.2 million and Adjusted EBITDA of $3.9 million, driven by increasing contributions from our producing assets,” said Brett Heath, CEO of Metalla. “A key milestone during the quarter was first production from Agnico’s Amalgamated Kirkland project, adding further cashflow from our portfolio and further strengthening and diversifying our near-term revenue base.”

“Looking ahead, IAMGOLD’s newly consolidated 20.3 million ounce Measured and Indicated Mineral Resource at Côté and Gosselin further highlights the scale and long-term value of this world-class gold system. The updated Côté mine plan and mineral reserve estimate, expected in the fourth quarter, is anticipated to integrate Gosselin for the first time, representing an important milestone towards cashflow from Metalla’s 1.5% royalty covering the northern portion of Côté and substantially all of Gosselin. With a growing base of producing royalties and a high-quality development pipeline continuing to advance toward production, we believe Metalla is well positioned to deliver meaningful long-term growth on a per-share basis.”

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COMPANY HIGHLIGHTS

Key Company highlights during the three months ended June 30, 2026, and subsequent period include:

  • A record breaking quarter for the Company, recording revenue from royalty and stream interests of $5.2 million, net income of $1.2 million, basic and diluted earnings of $0.01 per share, and Adjusted EBITDA of $3.9 million (see Non-IFRS Financial Measures), all of which were quarterly records for the Company;
  • Recognized revenue from royalty and stream interests, including fixed royalty payments, of $5.2 million for the three months ended June 30, 2026, a 94% increase compared to revenue of $2.7 million for the three months ended June 30, 2025; net income of $1.2 million for the three months ended June 30, 2026, compared to a net loss of $1.7 million for the three months ended June 30, 2025; and Adjusted EBITDA of $3.9 million for the three months ended June 30, 2026, a 159% increase compared to Adjusted EBITDA of $1.5 million for the three months ended June 30, 2025 (see Non-IFRS Financial Measures);
  • Received or accrued payments on 1,173 attributable Gold Equivalent Ounces (“GEOs”) for the three months ended June 30, 2026, at an average realized price of $4,504 per attributable GEO (see Non-IFRS Financial Measures);
  • On July 29, 2026, Agnico Eagle Mines Ltd. (“Agnico”) announced that trucking of ore from the Amalgamated Kirkland (“AK”) deposit to the LZ5 processing facility commenced in the second quarter of 2026. The LZ5 mill processed 71,000 tonnes of ore from the AK deposit and produced 7,800 ounces of gold during the quarter. Metalla received its inaugural cash flows from the Amalgamated Kirkland royalty in the period;
  • On June 23, 2026, Mr. Sandeep Singh was elected to the Metalla Board of Directors as a nonexecutive Director. The Company also announced that Mr. Singh had purchased 150,000 Common Shares in the market, and the Company had awarded him an aggregate of 150,000 restricted share units (“RSUs”) to match his investment. The RSUs will vest in three equal installments annually from the date of the grant;
  • On July 22, 2026, Silver Storm Mining Ltd. (“Silver Storm”) announced the first shipment of leadsilver and zinc concentrates from La Parrilla silver mine complex. Silver Storm reported that it had successfully produced an initial batch of concentrates using the La Parrilla sulphide processing circuit, then subsequently completed an initial shipment of 105 dmt of lead-silver concentrate and 70 dmt of zinc concentrate. The shipment was completed as part of Silver Storm’s previously announced offtake prepayment agreement. Silver Storm plans to continue increasing sulphide circuit processing rates with a goal of ramping up toward the nameplate capacity of 1,250 tonnes per day. Metalla expects to receive initial cash flows from La Parrilla during the 2026 fiscal year;
  • On June 1, 2026, IAMGOLD Corp. (“IAMGOLD”) announced an updated Mineral Resource Estimate (“MRE”) for the Côté gold mine. The updated MRE integrates the Côté and Gosselin zones, including the connecting saddle area, into a single geological and resource framework. Updated Measured and Indicated Mineral Resources, inclusive of Mineral Reserves, totalled 12.7 million ounces of gold at Côté, and 7.4 million ounces of gold at Gosselin, and a total consolidated Measured and Indicated Resource, inclusive of Mineral Reserves, of 20.3 million ounces of gold.
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Updated Inferred Mineral Resources totalled 2.0 million ounces of gold at Côté, and 0.9 million ounces of gold at Gosselin, and a total Inferred Mineral Resource of 3.5 million ounces of gold. The updated MRE will inform the upcoming Côté Gold Technical Report and mine plan, which remains on track for release in the fourth quarter of 2026;

  • On July 27, 2026, the Company filed a short form base shelf prospectus, and a corresponding registration statement on Form F-10 that replaced the expiring base shelf prospectus and Form F- 10 registration statement previously filed by the Company in 2024; and
  • On June 23, 2026, the Company announced the release of its 2026 Asset Handbook outlining the Company’s gold, silver, and copper production, development, and exploration assets, as well as Mineral Reserve and Mineral Resource data for the underlying properties. The Asset Handbook is available on the Company’s website.

Key operating and financial metrics for the Company include:

Three months ended
June 30,June 30,
20262025
2026
$ 5,224$ 2,695 $ (1,736) $ (0.02)
$ 1,223
$ 0.01
$ 3,850$ 1,485
1,173840 $ 3,289
$ 4,504
Six months ended
June 30,June 30,
20262025
2026
$ 8,288$ 4,416 $ (2,467) $ (0.03)
$ 1,334
$ 0.01
$ 5,713$ 2,351
1,8331,468 $ 3,104
$ 4,636

Revenue from royalty interests(1)

Net income (loss)

Earnings (loss) per share - basic and diluted Adjusted EBITDA(2)

Total attributable GEOs(2)

Average realized price per attributable GEO(2)

(1) Includes fixed royalty payments.

(2) For the methodology used to calculate these measures including GEOs see Non-IFRS Financial Measures.

OUTLOOK

In 2026, the Company continues to expect to receive or accrue payments on 3,500 to 4,500 attributable GEOs. The lower end of the range reflects current operating assumptions and known constraints, while the upper end incorporates the potential impact of improved grades, continued ramp-up of key assets, and contributions from new sources of cash flow. Attributable GEOs are expected to be weighted toward the second half of 2026, reflecting the timing of higher-grade production and the continued ramp-up of key assets.

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ASSET UPDATES

Below are updates during the three months ended June 30, 2026, and subsequent period to certain of the Company’s assets, based on information publicly filed by the applicable project owner:

Producing Assets

Tocantinzinho

On July 9, 2026, G Mining Ventures Corp. (“G Mining”) announced preliminary gold production of 36,845 oz at Tocantinzinho, an increase of 16% compared to the first quarter, and gold sales of 37,439 oz during the second quarter of 2026. G Mining reported that Tocantinzinho achieved record quarterly mining of 6.3 Mt in Q2 2026, and the planned commissioning of additional haul trucks and a front-end loader is expected to further support increased mining rates. G Mining also stated that it remains on track to achieve its 2026 production guidance of 160–190 koz of gold with production expected to be weighted towards the second half of the year as higher-grade phase 2 mineralization becomes available in accordance with the mine plan.

Metalla accrued 280 GEOs from Tocantinzinho for the second quarter of 2026.

Metalla holds a 0.75% GVR royalty on Tocantinzinho.

Wharf

On August 5, 2026, Coeur Mining, Inc. (“Coeur”) reported second quarter gold production of 18.1 koz at Wharf, an increase of 85% quarter over quarter. Coeur stated that higher production during the quarter was driven by increased ore tonnes placed, reflecting the successful return to normal crushing rates following the November 2025 crusher fire, bolstered by contract crushing exceeding planned throughput. Concurrent with the completion of the secondary and tertiary crusher upgrades, demobilization of the contract crushing is complete and normal site operations have resumed. Coeur also announced that exploration expenditures during the second quarter totalled $5 million and were focused on a mix of expansion and infill drilling at Juno, North Foley, Boston, and Summit Flat targets. In 2026, exploration programs at Juno and North Foley are expected to build on the 2025 expansion and infill drilling. Other targets, including Annie Creek and Summit Flat, are also expected to undergo expansion and infill drilling, while scout drilling is expected to continue development of the inferred resource pipeline. Coeur reiterated its previous guidance for 2026 of 72-90 koz gold production and $10-$12 million on exploration expenses.

Metalla accrued 344 GEOs from Wharf for the second quarter of 2026.

Metalla holds a 1.0% GVR royalty on the gold produced at Wharf mine.

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Aranzazu

On July 10, 2026, Aura Minerals Inc. (“Aura”) reported second quarter preliminary production from Aranzazu of 17,882 GEOs (as defined by Aura), marking a 14% increase over the first quarter of 2026, resulting mainly from metal prices and their impact on conversion to GEOs (as defined by Aura).

Metalla accrued 157 GEOs from Aranzazu for the second quarter of 2026.

Metalla holds a 1.0% NSR royalty on Aranzazu.

Endeavor

On July 14, 2026, Polymetals Resources Ltd. (“Polymetals”) reported silver production of 396,485 oz, zinc production of 3,268 tonnes, and lead production of 2,061 tonnes in the second quarter of 2026. Record production was achieved during the quarter increasing by 48% quarter-on-quarter with ore drawn from both the Main Lode and the Upper North Lode (“UNL”). Subsequent to quarter end, Polymetals commenced its first processing trial campaign of high-grade UNL ore. Polymetals stated that initial results have been positive and demonstrated a pathway to optimize value by leveraging both concentrate from milling and Direct Shipping Ore to markets to maximize revenue. Polymetals also reported revenue of A$45.8 million in the quarter, an increase of 65% quarter-on-quarter.

On June 24, 2026, Polymetals reported that the first 12 underground diamond holes of a 34-hole campaign confirmed broad zones of high-grade silver-lead-zinc mineralization remain intact in the upper Main Lode, adjacent to existing mine development. Polymetals stated that the drilling and assaying has strengthened the potential to add high-grade silver-lead-zinc mineralization to the mining inventory at Endeavor.

Metalla accrued 314 GEOs from Endeavor for the second quarter of 2026.

Metalla holds a 4.0% NSR royalty on lead, zinc and silver produced from Endeavor.

La Guitarra

On July 14, 2026, Sierra Madre Gold and Silver Ltd. (“Sierra Madre”) reported that it had received regulatory approval for drilling in the East District of the Guitarra Mine silver-gold complex. The drilling will test up to 30 different mapped vein systems and will be the first phase of a fully budgeted 30,000 metre drill program.

Metalla accrued 34 GEOs from La Guitarra for the second quarter of 2026.

Metalla holds a 2.0% NSR royalty on La Guitarra, subject to a 1.0% buyback for $2.0 million. The Company’s NSR royalty covers 100% of the Guitarra complex, including the Guitarra, Coloso, and Nazareno mines.

La Encantada

On July 8, 2026, First Majestic Silver Corp. (“First Majestic”) reported production of 35 oz of gold from La Encantada in the second quarter of 2026. During the quarter, two surface drill rigs completed 4,357 m of drilling to concurrently test several new exploration targets and potential near-term mineralization expansion areas.

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Metalla accrued 24 GEOs from La Encantada for the second quarter of 2026.

Metalla holds a 100% GVR royalty on gold produced at the La Encantada mine limited to 1.0 koz annually.

Amalgamated Kirkland (“AK”)

On July 29, 2026, Agnico announced that trucking of ore from the AK deposit to the LZ5 processing facility commenced in the second quarter of 2026. The LZ5 mill processed 71,000 tonnes of ore from the AK deposit and produced 7,800 ounces of gold.

On April 30, 2026, Agnico announced that it had received a permit amendment allowing ore from the AK deposit to be processed at the LZ5 processing facility at LaRonde. Production from the AK deposit is forecast to be approximately 40,000 ounces of gold in 2026.

Metalla received initial inaugural flows from AK during the second quarter of 2026 and accrued 6 GEOs from AK for the second quarter of 2026.

Metalla holds a 0.45% NSR royalty on the Amalgamated Kirkland.

Development & Exploration Stage Assets

Côté-Gosselin

On June 1, 2026, IAMGOLD announced an updated National Instrument 43-101 - Standards of Disclosure for Mineral Projects (“NI 43-101”) compliant MRE for the Côté gold mine. The updated MRE integrates the Côté and Gosselin zones, including the connecting saddle area, into a single geological and resource framework. Measured and Indicated Mineral Resources, inclusive of Mineral Reserves, totalled 12.7 million ounces of gold at Côté, and 7.4 million ounces of gold at Gosselin, and a total consolidated Measured and Indicated Resource, inclusive of Mineral Reserves, of 20.3 million ounces of gold. Inferred Mineral Resources totalled 2.0 million ounces of gold at Côté, and 0.9 million ounces of gold at Gosselin, and a total Inferred Mineral Resource of 3.5 million ounces of gold. The updated MRE will inform the upcoming Côté Gold Technical Report and mine plan, which remains on track for release in the fourth quarter of 2026. The updated technical report is expected to outline an updated life-of-mine plan incorporating the consolidated Côté and Gosselin pit, evaluate options for a plant expansion to leverage the larger consolidated resource base, and update Mineral Reserves accordingly. Further details on the design, scheduling, and economic parameters of the integrated operation will be disclosed at that time. IAMGOLD is also planning an additional 30,000 m diamond drilling program for 2026. The next phases of diamond drilling will aim to infill and test the ability to further expand the mineralized envelope for 2027.

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Figure 1: Côté Gold Longitudinal Section of 2026 Resource Shell and Mineralization (Source: IAMGOLD press release dated June 1, 2026)

Figure 2: Côté Gold Inclined View of Mineral Resources within 2026 Resource Shell and Mineralization (Source: IAMGOLD press release dated June 1, 2026)

On August 6, 2026, IAMGOLD announced that expansion capital expenditures are expected to total approximately $120 million in 2026, of which $85 million is budgeted for the Côté gold mine. IAMGOLD indicated the expansion capital at Côté is to de-risk the contemplated Côté expansion, early works include basic mill infrastructure and a significant pushback to expand the operating area of the pit. IAMGOLD also stated that ore tonnes mined at Côté were 3.1 million tonnes, or 3% lower than the prior year period, due to a slightly higher strip ratio of 2.8:1 as mining activities progressed in pushback areas.

IAMGOLD reported that the 2026 Gosselin zone exploration program includes approximately 10,000 metres of diamond drilling to test the north and north-east extensions of the Gosselin zone. Approximately 4,400 metres were drilled YTD with none completed in the second quarter and drilling will resume in the third quarter using the most recent drilling results obtained. IAMGOLD also stated that an infill drilling program of 20,000 metres is ongoing on the Côté zone. Approximately 6,200 metres of surface diamond drilling were completed in the second quarter 2026. The infill drilling program was planned to improve resource confidence within the northeastern extension of the Côté deposit and convert Inferred Resources into the Indicated Resources category.

Metalla holds a 1.5% NSR royalty that covers substantially all of the Gosselin Mineral Resource estimate and ~7% of the Côté Mineral Reserves and Resources estimate in the northeastern portion of the Côté pit.

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Taca Taca

On July 28, 2026, First Quantum Minerals Ltd. (“First Quantum”) reported that it continues to work constructively with the provincial authorities, and the approval of the Environmental and Social Impact Assessment (“ESIA”) is expected in 2026, following completion of the public consultation process. In April 2026, a hydrological feasibility certificate was issued, permitting sufficient water to support the first stage of the project. The certificate will be converted into a water concession upon ESIA approval. First Quantum is finalizing its Argentina Incentive Regime for Large Investments application with an intention to submit it after receiving ESIA approval and water use concessions. First Quantum also stated, in its second quarter of 2026 MD&A, that it is preparing a feasibility package for its 40 km access road to site. Additional technical studies and a trace review were also commissioned for the 345kV powerline.

Metalla holds a 0.42% NSR royalty on Taca Taca subject to a buyback based on the amount of Proven Reserves in a feasibility study multiplied by the prevailing market prices of all applicable commodities.

Copper World

On July 29, 2026, Hudbay Minerals Inc. (“Hudbay”) reported that the definitive feasibility study for Copper World was progressing well, with 95% of the engineering work completed, and a project sanctioning decision on track for late 2026. The study is expected to include scope for future mill expansion optionality.

On June 24, 2026, Hudbay reported the closing of a $52 million bond issuance. The gross proceeds are intended to be used to finance, reimburse and refinance, as applicable, certain eligible expenditures at Copper World.

Metalla holds a 0.315% NSR royalty on Copper World with the right of first refusal to acquire an additional 0.360% of the NSR royalty.

Fosterville

On July 29, 2026, Agnico reported that Fosterville produced 42 koz of gold in the second quarter of 2026. Deep exploration drilling at Lower Phoenix continued to extend high-grade mineralization beyond current mineral reserves. Notably, drilling in the Swan zone intersected 5.1 g/t gold over 21.4 m at 1,845 m depth, approximately 55 m south of current mineral reserves. Additional drilling in the Cardinal zone returned 9.6 g/t gold over 10.2 m and 16.8 g/t gold over 4.5 m.

Metalla holds a 2.5% GVR royalty on the northern and southern extensions of the Fosterville mining license and other areas within the land package. The Phoenix/Swan mineralization is on strike with Metalla’s royalty ground to the south, making continued extension of the Swan zone south of current mineral reserves particularly relevant to Metalla.

La Parrilla

On August 6, 2026, Silver Storm released infill diamond-drill results from the Rosarios Zone at its 100%owned La Parrilla silver mine complex, where the top three intercepts were hole IDP-RO-26-007 at 200 g/t AgEq over 15.35 m, hole IDP-RO-26-004 at 215 g/t AgEq over 11.90 m, and hole IDP-RO-26-005 at 297 g/t AgEq over 7.30 m (plus additional hits including 481 g/t AgEq over 1.65 m and 239 g/t AgEq over 5.90 m). Silver Storm stated that the near-surface, infrastructure-proximal results highlight potential to extend

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the Indicated Resources roughly 100 m toward surface over a 125 m strike length, with 115 holes (~13,000

m) now complete.

On July 22, 2026, Silver Storm announced the first shipment of lead-silver and zinc concentrates from La Parrilla silver mine complex. Silver Storm reported that it had successfully produced an initial batch of concentrates using the La Parrilla sulphide processing circuit, then subsequently completed an initial shipment of 105 dmt of lead-silver concentrate and 70 dmt of zinc concentrate. The shipment was completed as part of Silver Storm’s previously announced offtake prepayment agreement. Silver Storm plans to continue increasing sulphide circuit processing rates with a goal of ramping up toward the nameplate capacity of 1,250 tonnes per day.

On July 14, 2026, Silver Storm announced the commencement of hot commissioning of the sulphide processing circuit at the La Parrilla silver mine complex. The feed for the sulphide circuit will continue to be sourced from the stockpile until underground development in the Quebradillas and Rosarios areas of the mine starts to provide access to run-of-mine mineralized sulphide material. On June 11, 2026, Silver Storm announced the first silver-gold doré pour at the La Parrilla silver mine complex. The first pour was completed as part of the commissioning process of the oxide processing circuit at La Parrilla and is expected to be able to pour silver-gold doré on an ongoing basis.

Metalla expects to receive inaugural cash flows from La Parrilla during the 2026 fiscal year and holds a 2.0% NSR royalty on La Parrilla.

Wasamac

On July 29, 2026, Agnico reported it is advancing internal evaluations on the development of the Wasamac underground project to provide feed for the mill at Canadian Malartic. Agnico envisions an underground satellite operation at Wasamac with a planned mining rate of approximately 3,200 tpd. Ore is expected to be transported to the Canadian Malartic mill for processing, with average annual gold production expected to be approximately 90,000 ounces with the potential for initial production as early as 2033. In the second quarter of 2026, Agnico continued to advance optimization and trade‑off studies alongside permitting activities and engagement with stakeholders. Agnico also stated that the rock mass movement that occurred at the Barnat open pit at Canadian Malartic on July 1, 2026, will not affect the Canadian Malartic satellite plan.

Metalla holds a 1.5% NSR royalty on the Wasamac project subject to a buyback of 0.5% for C$7.5 million.

Castle Mountain

On August 5, 2026, Equinox Gold Corp. (“Equinox”) reported in its second quarter MD&A that it is focused on advancing the engineering work for the Castle Mountain Expansion, and subject to a positive federal permitting decision, the receipt of county and state permits, and the approval of the Equinox board of directors, an investment decision is expected during 2027. Equinox also confirmed that the draft Environmental Impact Statement (EIS), issued by the Bureau of Land Management, and the draft Environmental Impact Report (EIR), issued by the state lead agency under the California Environmental Quality Act, were both published on April 17, 2026, and that publication of the draft EIR also initiates the review process for certain additional state and local permits.

Metalla holds a 5.0% NSR royalty on the South Domes area of Castle Mountain.

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Joaquin

On June 22, 2026, Unico Silver Ltd. (“Unico”) reported assay results from 46 drill holes totalling 6,631 meters at Joaquin. Unico stated that drilling continues to deliver strong gold-silver intercepts across the La Morocha SE, Breccia Puntudo, and La Negra SE prospects, extending mineralization beyond the mineral resource reported on March 17, 2026. Unico also stated that infill drilling at Breccia Puntudo confirms highgrade gold mineralization supporting conversion of inferred to indicated mineral resources, and extension drilling at La Negra SE continues to return wide zones of oxide gold-silver mineralization along strike and below the March 2026 mineral resource.

Unico also reported that exploration drilling was completed and activity is now focused on prefeasibility study work streams including geotechnical drilling, Phase 2 baseline environmental studies, and waterexploration drilling for hydrological studies, with a maiden Prefeasibility Study scheduled for Q3 2026.

Metalla holds a 2.0% NSR royalty on Joaquin.

Del Toro

On June 22, 2026, Sierra Madre Gold and Silver Ltd. (“Sierra Madre”) announced the closing of the acquisition of Del Toro from First Majestic Del Toro, S.A. de C.V., a wholly-owned subsidiary of First Majestic. Concurrent with the closing of the acquisition, Sierra Madre announced the closing of a brokered private placement financing for aggregate gross proceeds of C$57.5 million.

Metalla holds a 2.0% NSR royalty on Del Toro.

15-Mile

On June 19, 2026, St Barbara Limited (“St Barbara”) announced that permitting had commenced for the 15-Mile Processing Hub. The Initial Project Description (“IPD”) was formally submitted to the Impacts Assessment Agency of Canada (“IAAC”) on June 2, 2026, and has been confirmed to have passed the conformity review stage. IAAC has reviewed and is expected to share the IPD with the public and First Nation communities, and to decide whether Provincial Environmental Assessment Registration Document (“EARD”) will be sufficient or whether an Impact Assessment is necessary. In parallel, St Barbara continues to advance studies to align with a planned submission of the EARD in Q3 of the 2027 financial year and other associated permits. The IPD is consistent with the description mapped out in St Barbara’s announcement of January 21, 2026, which outlined the results of the Pre-Feasibility Study for the 15-Mile Processing Hub Project, with an operational mine life of more than 11 years (based solely on Proven and Probable Ore Reserves) and a processing rate of three million tonnes per annum producing an average of just over 100,000 ounces of gold per annum.

St. Barbara also stated that the 15-Mile mine site has been re-designed to be the sole processing hub for ore from the three locations, compared to the previous proposal of three separate processing plants operating simultaneously. The project consists of the 15-Mile mine, processing facility, and associated infrastructure including a tailings management facility; the old Austen Mine (previously referred to as Beaver Dam); and the old Mitchell Mine (previously referred to as Cochrane Hill). The location of 15-Mile also gives easy access to high voltage power infrastructure, highway access, and is centrally located within St Barbara’s future exploration target pipeline.

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Metalla holds a 1.0% NSR royalty on the 15-Mile Stream project, and 3.0% NSR royalty on the Plenty and Seloam Brook deposits.

Garrison

On April 27, May 21, June 18, and August 4, 2026, STLLR Gold Inc. (“STLLR”) announced additional assay results from its 2026 drilling program at the Jonpol deposit, situated in the Garrison property at the eastern end of the Tower Gold project. STLLR announced that it has completed 8,536 m of drilling at Jonpol for its first-half 2026 drill program. This year’s programs are designed to deliver on two primary objectives: first, strike extension with the majority of 2026 program targeting the western extension of Jonpol’s open-pit mineralization, with plans to expand the strike from 400 m as currently defined in the Tower Gold project Preliminary Economic Assessment to approximately 1,200 m; and second, infill drilling to confirm the block model and support the potential expansion of the higher-grade mineralization to incorporate into a future MRE. STLLR stated that the additional assays continued to intersect near-surface, high-grade mineralization in targeted areas along the western strike extension. Notably, these results yielded grades exceeding the current average open-pit grades at Jonpol in the Tower MRE, suggesting the potential to expand the mineral resources. These results continue to confirm the current geological model, supporting the potential expansion of higher-grade mineralization.

Metalla holds a 2.0% NSR royalty on Garrison.

Plomosas

On July 10, 2026, GR Silver Mining Ltd. (“GR Silver”) reported positive drill results from the resource expansion drilling program at the San Marcial area in the Plomosas project. Diamond drilling on the SE Extension target confirmed the extension of high-grade silver mineralization for at least an additional 150 m to the southeast of the 2023 NI 43-101 MRE boundary. GR Silver stated that these results increase confidence in the exploration potential of the southeastern extension of the San Marcial system, which will continue to be tested as part of the ongoing 20,000-metre step-out drilling program.

On May 19, 2026, GR Silver reported its best ever drill results at San Marcial of 45.1 m true width at 1,623 g/t Ag including 18.85 m at 3,846 g/t Ag, and including 8.25 m at 8,579 g/t Ag.

Metalla holds a 2.0% NSR royalty on Plomosas, subject to a buyback of 1.0% for $1.0 million.

Gurupi

On May 13, 2026, G Mining reported that they plan to invest between $19 and $23 million in exploration at Gurupi this year, with the goal of delivering an updated MRE and a Preliminary Economic Assessment in the second half of 2026. G Mining also stated that alongside the exploration program, environmental and social baseline studies are advancing in support of an Environmental and Social Impact Assessment submission targeted for Q4 2026.

Metalla holds a 1.0% NSR royalty on the first 500 koz of production, 2.0% NSR royalty on the next 1 Moz, and 1.0% NSR royalty thereafter on Gurupi.

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San Martin

On July 6, 2026, First Majestic entered into a definitive agreement to sell its 100%-owned San Martin silvergold mine and associated Jalisco concessions (Mexico) to Flextronics Supply and Service, a private Mexican company, for total proceeds of US$90 million (US$2.5 million on closing and US$87.5 million in staged payments through 2032). The transaction is expected to close in the fourth quarter of 2026, subject to Mexican antitrust approval, and would introduce a new operator/counterparty on the San Martin royalty (the property has been under care and maintenance since 2019).

Metalla holds a 2.0% NSR royalty on San Martin.

Big Springs (and Golden Dome)

On July 2, 2026, Capricorn Metals Ltd. (“Capricorn”) announced that it had entered into a binding agreement to sell the Big Springs gold project to Sentinel Metals Ltd. (“Sentinel”), combining it with Sentinel’s Montana Columbia project to form an approximately 2.0 Moz North American gold platform, for total consideration of up to approximately A$26 million, conditional on Sentinel raising at least A$15 million. The Big Springs gold project includes areas partially covered by Metalla’s NSR royalties on Big Springs and Golden Dome. On July 6, 2026, Sentinel announced funding as an A$15.0 million placement at A$0.58 per share (with Capricorn subscribing for approximately A$3.0 million). Sentinel guided that shareholder approval for the transaction is expected to be obtained at a late-August 2026 shareholder meeting, and the transaction is expected to close in early-September 2026. Upon closing of the transaction, the operator/counterparty on Metalla’s royalty will transition from Capricorn (a producer) to Sentinel (a junior developer).

Metalla holds a 2.0% NSR royalty on Big Springs and a 2.0% NSR royalty on Golden Dome (each subject to annual advance royalty payments).

TVZ Zone

On June 1, 2026, Discovery Mining Ltd. (“Discovery”) (formerly Discovery Silver Corp.) announced the completion of the acquisition of the Kidd Operations. Discovery stated that a study is advancing for construction of a new conventional gold processing circuit at the Kidd Met Site, where future production from TVZ is expected to be processed.

On April 23, 2026, Discovery announced drilling at the TVZ project included 17 holes for 5,803 m. Results from the program were positive and included multiple significant assays from the TVZ1 and TVZ2 zones, which mark the north and south limits of the zone. The current work program is designed to infill and expand the TVZ Zone, with drilling ongoing from historic drill platforms, in preparation for an initial NI 43- 101 mineral resource in late 2026.

Metalla holds a 2.0% NSR royalty on the TVZ Zone.

Tower Mountain

On July 16, 2026, Thunder Gold Corp. (“Thunder Gold”) announced exploration diamond drill results from the UV target, at the Tower Mountain property. Six holes totaling 2,937 m targeted the down-dip projection of the main mineralized trend observed in historical diamond drill holes completed from 2002 to 2005.

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