Mitsui Said to Be Top Bidder for First Quantum Mines Stake

  • Japanese trading house has pulled ahead of rival suitor
  • Mitsui is considering buying a stake for about $2 billion

A miner checks equipment while mining for copper ore in an underground tunnel in a copper mine in Chingola, Zambia.

Photographer: Waldo Swiegers/Bloomberg
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Japanese trading house Mitsui & Co. has emerged as the highest bidder for a stake in First Quantum Minerals Ltd.’s Zambian copper mines, according to people familiar with the matter.

Mitsui submitted an offer that’s higher than a rival proposal from Saudi Arabia’s state-backed Manara Minerals Investment Co., the people said, asking not to be identified because the information is private. The Japanese company is considering buying a roughly 20% interest in First Quantum’s Sentinel and Kansanshi mines for about $2 billion, according to the people.