Unionized workers at Peruvian copper producer Sociedad Minera Cerro Verde SA (CVERDEC1.VL) said Monday that they will end a strike that began almost two months ago.

Union workers walked off the job on Sept. 29 to back demands for higher pay. Cerro Verde has been operating the mine with supervisors and volunteer personnel.

The union said Monday no agreement was reached with the company. However, workers expect authorities from Arequipa region, where the mine is located, to issue a resolution in the coming days in order to resolve the dispute.

Union leader Leoncio Amudio told Dow Jones Newswires that the striking workers should return to the job on Wednesday.

Cerro Verde is Peru's third biggest copper producer and turned out 157 million pounds of the metal in the third quarter of this year, down from 165 million pounds in the same period in 2010.

U.S.-based Freeport-McMoRan Copper & Gold Inc. (FCX) has a majority interest in Cerro Verde. Compania de Minas Buenaventura SA (BVN, BUENAVC1.VL) and a subsidiary of Sumitomo Corp. (SSUMY, 8053.TO) also have stakes in the company.

Peru is the world's second biggest copper producer.

-By Ryan Dube, Dow Jones Newswires; 51-945 043 802; peru@dowjones.com

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