PLM vs VALE

Polymet Mining Corporation

PolyMet Mining Corp., through its subsidiary, Poly Met Mining, Inc., explores for and develops natural resource properties. Its primary mineral property is the NorthMet project, a polymetallic project that hosts copper, nickel, cobalt, gold, silver, and platinum group metal mineralization covering an area of approximately 4,300 acres located in northeastern Minnesota, the United States. The company was formerly known as Fleck Resources Ltd. and changed its name to PolyMet Mining Corp. in June 1998. PolyMet Mining Corp. was incorporated in 1981 and is headquartered in Saint Paul, Minnesota.

VALE S.A.

Vale S.A., together with its subsidiaries, produces and sells iron ore and iron ore pellets for use as raw materials in steelmaking in Brazil and internationally. The company operates through Ferrous Minerals, Base Metals, and Coal segments. The Ferrous Minerals segment produces and extracts iron ore and pellets, manganese, ferroalloys, and other ferrous products; and provides related logistic services. The Base Metals segment produces and extracts nickel and its by-products, such as copper, gold, silver, cobalt, precious metals, and others. The Coal segment is involved in the extraction of metallurgical and thermal coal; and provides related logistic services. It also offers platinum group metals. The company was formerly known as Companhia Vale do Rio Doce and changed its name to Vale S.A. in May 2009. Vale S.A. was founded in 1942 and is headquartered in Rio de Janeiro, Brazil.