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Sources: Antofagasta and China smelter have agreed to zero copper charges in 2026.

Sources: Antofagasta and China smelter have agreed to zero copper charges in 2026.
Sources: Antofagasta and China smelter have agreed to zero copper charges in 2026.

Two sources familiar with the matter confirmed on Friday that Antofagasta, a Chilean miner, has agreed to pay 0 cents and 0 dollars per pound for treatment?and?refining?charges (TC/RCs).

After protracted negotiations, the deal was reached. It compares with charges of $21.25 per ton?and 2.125cents per lb?for 2025, agreed in December last year. The agreement matches?a mid-year contract between Antofagasta?and some Chinese smelters?at zero levels.

Miners pay smelters?TC/RCs for the copper concentrate they turn into refined metal. A severe shortage of mine supplies?in the past few months sent spot processing fees to negative territory, meaning that smelters had to pay more money for the privilege of processing materials.

One source said that talks between Antofagasta, the world's largest copper consumer, and smelters from China have been "tough" and "challenging" this year.

Because the negotiations took place in private, the sources refused to identify themselves or to name the smelter who agreed to the deal.

Three sources familiar with this matter earlier said that Jiangxi Copper - one of China's largest copper smelters - was due to meet with Antofagasta Friday evening.

Last month, the two sides failed to agree on the sidelines of Asia Copper Week in Shanghai when a representative from the China Nonferrous Metals Industry Association objected to "free and negative treatment of copper concentrate."

Antofagasta didn't immediately respond to our request for comment. Reporting by Tom Daly and Pratima Dasai; editing by Kevin Liffey, Louise Heavens and Amy Lv

(source: Reuters)