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A brine pool to extract lithium, at a salt flat of Cauchari Olaroz, near Susques, Argentina. Picture: REUTERS/JULIANA CASTILLA
A brine pool to extract lithium, at a salt flat of Cauchari Olaroz, near Susques, Argentina. Picture: REUTERS/JULIANA CASTILLA

London/Melbourne — Rio Tinto said on Wednesday it would acquire Arcadium Lithium for $6.7bn in an agreed cash deal that would make it one of the world’s largest lithium producers.

Rio, the world’s largest producer of iron ore, is transforming itself into a processor of high end, low carbon raw materials that will be needed during the energy transition.

It said it would pay $5.85 per share for the US-based lithium miner in an all-cash deal. That represents an almost 90% premium to Arcadium’s closing price of $3.08 per share on October 3, the day before Reuters exclusively reported on a potential deal between the two firms.

Rio would gain access to lithium mines, processing facilities and deposits in Argentina, Australia, Canada and the US to fuel decades of growth, as well as a customer base that includes automakers Tesla, BMW and General Motors.

Lithium prices have floundered due to Chinese oversupply and a slowdown in electric vehicle sales, resulting in miners of the metal emerging as attractive takeover targets.

“This is a countercyclical expansion aligned with our disciplined capital allocation framework, increasing our exposure to a high-growth, attractive market at the right point in the cycle,” Rio CEO Jakob Stausholm said.

The deal would make Rio one of the largest producers of the battery making metal alongside Albemarle and SQM.

Arcadium chair Peter Coleman said Rio would be able to bring its expertise in execution and a strong balance sheet to help develop the company’s assets.

“They are not capital constrained ... for us, we know that growth plans still relied on an improvement in price over the next two to three years, which is quite a significant improvement over where we are now,” he said.

Rio intends to roll its existing lithium assets into the new business to ensure growth and keep Arcadium’s staff. “Rio has indicated they’re very keen to keep their expertise,” Coleman said.

Arcadium’s mix of active mines, lithium deposits filled with decades of supply, and some of the industry’s most advanced processing facilities would complement Rio’s output of copper, iron ore and other critical minerals and help the Anglo-American mining giant expand its footprint in the global energy transition.

Rio’s balance sheet could easily fund growth without straining the miner’s existing operations, investors and analysts said.

Arcadium shares have fallen more than 37% since the start of the year, giving it a market capitalisation of $4.56bn.

Jason Beddow, MD at Australian fund manager Argo Investments, which owns shares in Rio, said the deal made a lot of sense.

“Yes it’s a big premium but stocks have been sold off a lot,” he said.

Beddow, who visited the companies’ Canadian operations in recent weeks said: “They are both close together geographically, they both use Quebec hydropower. Rio has a strong chemicals business in Canada that this will slot into.”

The transaction, which has been unanimously approved by the companies’ boards, is expected to close in mid-2025.

The deal has been a lot smoother than those of some of its rivals.

Peer BHP Group walked away from its $49bn plan to take over rival Anglo American, earlier this year after a six week pursuit and three rejected proposals.

BHP was barred from making another offer for Anglo for six months by UK competition regulators, which is up in late November.

Reuters

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