• Rise Gold litigation bid to force Nevada County Board of Supervisors to recognize vested right to operate Idaho-Maryland Mine without a permit was rejected, with Superior Court of California for Nevada County denying its writ of mandamus.
• Court said constitutional right to mine vested when county zoning code was established in 1954, but found Idaho-Maryland Mine Corporation abandoned that vested mining right by no later than 1963.
• Company plans to appeal; it warned that an unsuccessful appeal would wipe out value of its mineral estate, setting up a Fifth Amendment takings claim seeking just compensation.
• Mineral estate was estimated at at least USD 400 million based on comparable mines and historic yield at Idaho-Maryland Mine.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Rise Gold Corp. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001062993-26-002496), on May 12, 2026, and is solely responsible for the information contained therein.