Fourth Quarter 2011 Results

About Mercator Minerals Ltd.

Mercator Minerals Ltd., a Canadian base metal mining company listed on the TSX (“ML”) with one of the fastest growing base metal profiles in its peer group, is a leading copper and molybdenum producer with a diversified portfolio of high quality operations and projects in the USA and Mexico. Mercator provides investors exposure to current copper, molybdenum and silver production from the large tonnage long life Mineral Park Mine in Arizona. As well as mid-term exposure to additional copper from the development of the El Pilar deposit in northern Mexico and longer-term exposure of molybdenum and copper through the development of the El Creston deposit also in northern Mexico.

For more information please visit the company website at www.mercatorminerals.com