Lion Copper Corp. has announced the completion of a Technical Report Summary (TRS) for its Bear Copper Deposit, located in the Yerington Copper District of Lyon County, Nevada. The filing, dated November 11, 2026, states that the TRS was prepared in accordance with Subpart 1300 of Regulation S-K, which are the U.S. Securities and Exchange Commission’s disclosure requirements for mineral properties.
The TRS supports the previously announced Bear Mineral Resource Estimate (MRE) and follows the company’s filing of a NI 43-101 Technical Report on September 14, 2026. The document provides geological, drilling, and mineral resource estimation information, including the assumptions used to determine reasonable prospects for economic extraction.
According to the MRE data provided in the filing, the Bear Deposit contains an indicated mineral resource of 6.71 billion pounds of contained copper, grading 0.29% Cu, based on 1,064 million tonnes. Additionally, the deposit holds an inferred mineral resource of 8.77 billion pounds of contained copper, grading 0.22% Cu, based on 1,770 million tonnes. Both resource categories are sulfide material with a cut-off grade of 0.10% Cu.
The resource estimate is based on a conceptual pit shell using specific economic parameters, including a net copper price of US$4.22 per pound, base mining costs of US$2.22 per tonne, and processing plus general and administrative costs of US$4.94 per tonne. The report notes that the mineral resources are reported in situ and are current as of October 31, 2026.
The TRS was prepared by AGP Mining Consultants Inc. and Samuel Engineering, Inc., and reviewed by John Banning, Chief Executive Officer of Lion Copper Corp., who is a Qualified Person under NI 43-101 and S-K 1300 standards.
In related company news, Lion Copper is advancing its flagship Yerington Copper Project through a definitive feasibility study and permitting. The company has set a target to complete and publish the study in the first quarter of 2027. The project is supported by a strategic partnership with Nuton LLC, a venture of Rio Tinto.
