Mistango Announces Major Corporate Transformation: Rebranding as Stardust Metal and Strategic Acquisition of McGarry Project

Highlights:

• Company consolidates proximal complementary assets in the Kirkland Lake Gold camp.
• Mistango rebrands as Stardust Metal Corp., signalling a new era of growth.
• Major corporate transformation including Share Consolidation and New Ticker "ZIGY".
• Stardust secures strategic option to acquire high-grade McGarry project adjacent to its Omega project.
• Stardust will own multiple, high-potential resource-stage projects directly on the Cadillac Break.
• Stardust neighbours major players including Agnico Eagle, Pierre Lassonde's Gold Candle, Pan American Silver, and Barrick.
• Clear path forward focusing on resource growth and long-term value creation.

Toronto, Ontario--(Newsfile Corp. - November 18, 2025) - Mistango River Resources Inc. (CSE: MIS) ("Mistango" or the "Company") is pleased to announce a fundamental corporate transformation, including a change of its corporate name, share consolidation, corporate rebranding, and the execution of a binding letter of intent dated November 17, 2025 (the "Agreement") to acquire up to a 75% interest in the McGarry Project ("McGarry") from Orecap Invest Corp. ("Orecap") (the "Transaction").

Corporate Transformation: Rebranding and Share Consolidation

The Company is changing its corporate name from Mistango River Resources Inc. to "Stardust Metal Corp." reflecting a renewed corporate direction and focus on its Kirkland Lake projects.

Name Change and Ticker: The name change and share consolidation are expected to take effect on November 21, 2025, subject to CSE approval. The Company's common shares are expected to commence trading under the new symbol "ZIGY" on November 21, 2025.

• Share Consolidation: Mistango will consolidate its common shares on the basis of one (1) new common share for every existing five (5) common shares.
• Following the consolidation, there are expected to be 35,656,368 Common Shares issued and outstanding, subject to rounding.
• A new CUSIP number (854947108) replaces the old one to distinguish between the pre- and post-consolidated shares.

Strategic Acquisition of the McGarry Project

Mistango has entered into an option agreement with Orecap, which will see Orecap option its 100%-owned McGarry project to Mistango. This transaction is highly strategic and shares existing synergies with Mistango's Omega Project, located less than 5km west of McGarry.

Renewal of McGarry and Omega: Legacy Data, New Resources and a Modern Gold Price

Both McGarry and Omega have extensive historical work, including a large drilling database and past gold production. While historical resource estimates exist, they were prepared by previous owners and at significantly lower gold prices.