IDR — what changed in the latest 10-Q

Text added vs the prior filing · source: 10-Q · 2026-08-13

• The Company was included in the inaugural list of companies that make up the Sprott Rare Earths Ex-China ETF (REXC)

• IDR initiated metallurgical work at SGS Laboratory on representative samples from two of its REE prospects.

• At the Golden Chest, ore mined from underground stopes totaled approximately 12,835 tonnes with all of the tonnage coming from H-Vein stopes.

• During the quarter, a record 384 meters of development was completed between three projects: the Paymaster, the MAR and the Jumbo. A new portal, the No. 2, was established in early May to develop the high-grade Jumbo vein. From the No. 2 portal, an up-ramp was driven and connected to the No. 1 porta…

• For the quarter ended June 30, 2026, a total of 11,094 dry metric tonnes were processed at the Company’s New Jersey Mill with a flotation feed head grade of 7.89 gpt gold and gold recovery of 91.4%. Milling operations were affected by a wildfire adjacent to the mill in June where access to the mill …

Text removed vs the prior filing · source: 10-Q · 2026-05-14

• The Company has three critical accounting estimates. The ounces of gold contained in process and concentrate inventory is based on assays taken at the time the ore is processed and the ounces of gold contained in shipped concentrate which is based upon assays taken prior to shipment, however, subjec…

• The Company’s concentrate sales sometimes involve variable consideration, as they can be subject to changes in metals prices between the time of shipment and their final settlement. However, the Company can reasonably estimate the transaction price for the concentrate sales at the time of shipment u…

• The asset retirement obligation and asset on the Company’s balance sheet is based on an estimate of the future cost to recover and remediate its properties as required by permits upon cessation of operations and may differ when operations are actually ceased. At March 31, 2026 the Company reviewed i…

• Amortization of development costs is calculated using the units-of-production method over the expected life as per the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification 360-10-35-4. This includes the cost to define proven and probable reserves and measured and indicated…

• Exploration plans for the 2026 field season were finalized during the quarter. The bulk of the Company’s REE exploration efforts are planned for high-grade prospects at both its Mineral Hill and Lemhi Pass projects. To support these programs, IDR has retained the help of a seasoned REE exploration g…