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Gold and Silver Stream Agreements

9 Months Ended

Sep. 30, 2025

Gold and Silver Stream Agreements

Gold and Silver Stream Agreements

12. Gold and Silver Stream Agreements

The following table presents the Company’s liabilities related to the Company’s Gold and Silver Stream Agreements (the “Osisko Stream Agreements”) with Osisko Bermuda Limited (“Osisko”) as of September 30, 2025 and December 31, 2024:


		As of			As of
		September 30,			December 31,
		2025			2024

		(in thousands)
Liability related to the Osisko Gold Stream Agreement		$	38,425		$	33,067
Liability related to the Osisko Silver Stream Agreement			48,066			41,365
Total liability		$	86,491		$	74,432

The Osisko Stream Agreements contain customary provisions regarding default and security. In the event that the Company defaults under the Osisko Stream Agreements, including by failing to achieve commercial production by an agreed upon date, it may be required to repay the deposit plus accumulated interest at a rate agreed with Osisko. If the Company fails to do so, Osisko may elect to enforce its remedies as a secured party and take possession of the assets that comprise the Back Forty Project.

Gold Stream Agreement

In November 2017, Aquila entered into a stream agreement with Osisko, pursuant to which Osisko agreed to commit approximately $55.0 million to Aquila through a gold stream purchase agreement (the “Osisko Gold Stream Agreement”). In June 2020, Aquila amended the Osisko Gold Stream Agreement, reducing the total committed amount to $50.0 million, as well as adjusting certain milestone dates under the gold stream to align with the current project development timeline. Aquila had received a total of $20.0 million of the funds committed at the time of the Company’s acquisition. Remaining deposits from Osisko are $5.0 million upon receipt of permits required for the development and operation of the Back Forty

Project and $25.0 million upon the first drawdown of an appropriate project debt finance facility. Osisko has been provided a general security agreement over the Back Forty Project, which consists of the subsidiaries of Gold Resource Acquisition Sub. Inc., a 100% owned subsidiary of the Company. The initial term of the Osisko Gold Stream Agreement is for 40 years, automatically renewable for successive ten-year periods. The Osisko Gold Stream Agreement is subject to certain operating and financial covenants, which are in good standing as of September 30, 2025. In March 2024, the Company secured an amendment to the Osisko Gold Stream Agreement that deferred the required completion of certain operational milestones related to permitting from 2024 to 2026.

The $20.0 million received from Osisko pursuant to the Osisko Gold Stream Agreement through December 31, 2024 is shown as a long-term liability on the Consolidated Balance Sheets. A periodic interest expense is calculated based on a fixed market rate of interest, which is reviewed quarterly if there are any contractual amendments relating to the Osisko Stream Agreements. The fixed interest rate is applied on the Osisko advance payments and calculated on the total expected life-of-mine production to be deliverable and was 22.2% per annum at September 30, 2025 and at December 31, 2024. As the remaining $30.0 million deposit is subject to the completion of specific milestones and the satisfaction of certain other conditions, this amount is not reflected on the Consolidated Balance Sheets.

Per the terms of the Osisko Gold Stream Agreement, Osisko will purchase 18.5% of the refined gold from Back Forty (the “Threshold Stream Percentage”) until the Company has delivered 105,000 gold ounces (the “Production Threshold”). Upon satisfaction of the Production Threshold, the Threshold Stream Percentage will be reduced to 9.25% of the refined gold (the “Tail Stream”). In exchange for the refined gold delivered under the Stream Agreement, Osisko will pay the Company ongoing payments equal to 30% of the spot price of gold on the day of delivery, subject to a maximum payment of $600 per ounce. Where the market price of gold is greater than the price paid, the difference realized from the sale of the gold will be applied against the deposit received from Osisko. Please see Note 15—Commitments and Contingencies in Item 1—Condensed Consolidated Interim Financial Statements and Notes (unaudited) for additional information.

Silver Stream Agreement

Through a series of contracts, Aquila executed a silver stream agreement with Osisko to purchase 85% of the silver produced and sold at the Back Forty Project (the “Osisko Silver Stream Agreement”). A total of $17.2 million has been advanced under the Osisko Silver Stream Agreement as of September 30, 2025. There are no future deposits remaining under the Osisko Silver Stream Agreement. The initial term of the Osisko Silver Stream Agreement is for 40 years, automatically renewable for successive ten-year periods. The Osisko Silver Stream Agreement is subject to certain operating and financial covenants, which are in good standing as of September 30, 2025. In March 2024, the Company secured an amendment to the Osisko Silver Stream Agreement that deferred the required completion of certain operational milestones related to permitting from 2024 to 2026.

Per the terms of the Osisko Silver Stream Agreement, Osisko will purchase 85% of the silver produced from the Back Forty Project at a fixed price of $4.00 per ounce of silver. Where the market price of silver is greater than $4.00 per ounce, the difference realized from the sale of the silver will be applied against the deposit received from Osisko.

The $17.2 million received from Osisko pursuant to the Osisko Silver Stream Agreement through December 31, 2024 is shown as a long-term liability on the Consolidated Balance Sheets. A periodic interest expense is calculated based on a fixed market rate of interest, which is reviewed quarterly if there are any contractual amendments relating to the Osisko Stream Agreements. The fixed interest rate is applied on the Osisko advance payments and calculated on the total expected life-of-mine production to be deliverable and was 22.2% per annum at September 30, 2025 and at December 31, 2024. Please see Note 15—Commitments and Contingencies in Item 1—Condensed Consolidated Interim Financial Statements and Notes (unaudited) for additional information.