Mazarin Inc. is a Canada-based natural resource and industrial mineral exploration and development company specializing in the valorization, environmental remediation, and management of legacy mining properties. Founded in 1985 and headquartered in Thetford Mines, Quebec, the company focuses on circular economy initiatives that recover critical and strategic materials from historical mining residues while maintaining extensive resource landholdings in Canada. The company conducts its operations primarily through its corporate subsidiaries, Asbestos Corporation Limited and 3R Minéral Inc. Mazarin Inc. provides a systematic portfolio of mineral asset activities and services, which includes: exploration, evaluation, and development of industrial mineral assets; extraction and valorization of critical and strategic minerals from serpentine tailings, primarily magnesium, nickel, and magnesium oxide; stewardship and management of major mining residue deposits totaling over 266 million metric tonnes across the Thetford Mines district, including the Carey mine site; operation of a specialized metallurgical demonstration plant facility for testing and safe processing of serpentine residues; environmental site remediation, tailings containment, and surface revegetation; development of mineral carbonation solutions and carbon dioxide (CO2) sequestration technologies utilizing serpentine rock; and property management and real estate administration for legacy mining lands. In recent operational and structural developments, Mazarin Inc.'s subsidiary, Asbestos Corporation Limited (ACL), entered into formal court-supervised restructuring proceedings in May 2025 under Canada's Companies' Creditors Arrangement Act (CCAA) in the Superior Court of Québec, concurrently obtaining Chapter 15 cross-border recognition in the United States Bankruptcy Court for the Southern District of New York to resolve multi-jurisdictional legacy asbestos litigation through a comprehensive claims adjudication and bar-date process extending through 2026. In addition, Mazarin Inc., which trades on the NEX Board of the TSX Venture Exchange under the ticker symbol MAZ.H, has continued to advance its circular economy partnership models and technological programs through 3R Minéral Inc., targeting the sustainable commercialization of high-purity magnesium and nickel derivatives alongside industrial carbon capture.