Regulus Resources Inc., a Canadian exploration company specializing in the metals and mining sector, has recently reported significant developments in its operations. The company, headquartered in Vancouver, focuses on copper and gold projects across South America, particularly in Peru, Argentina, and Chile. A key area of interest for Regulus is the Rio Grande porphyry system in Argentina.

On May 20, 2025, Regulus Inc. (OTC: RGLU) announced that its Nuton Bio‑Leaching process had achieved attractive copper extraction rates. This innovative process is part of the company’s efforts to enhance its integrated sulfide project resource estimate. The announcement highlights Regulus’s commitment to advancing its extraction technologies and optimizing resource management.

Financially, Regulus Resources Inc. is listed on the TSX Venture Exchange, with its stock closing at 3.70 CAD on December 18, 2025. This price is notably below the 52-week high of 4.06 CAD, recorded on December 15, 2025, but above the 52-week low of 1.75 CAD, observed on April 8, 2025. The company’s market capitalization stands at 464,251,552 CAD.

The company’s financial metrics reveal a price-to-earnings ratio of -106.94, indicating negative earnings. Despite this, the price-to-book ratio is 7.20, suggesting that the market values Regulus’s assets and future prospects above its current earnings, albeit below its book value. These figures reflect investor confidence in the company’s potential for growth and asset value, despite the current lack of profitability.

Regulus Resources Inc. continues to prioritize exploration and development in its target regions, with a strategic focus on leveraging advanced technologies to enhance its project outcomes. For further information on the company’s activities and updates, stakeholders are encouraged to visit its official website at www.regulusresources.com .