Rio Tinto has priced the cash tender offer to buy back about US$1.5 billion of its 2019, 2020, 2021 and 2022 notes.

On each US$1,000 principal amount of notes, the global mining giant will pay US$1,076.38 for its 3.500% notes due 2022 and US$1,046.37 for its 2.875% notes due 2022.

The noteholders will get US$1,182.45 for each of the 9.000% notes due 2019, US$1,065.10 for the 3.500% notes due 2020, US$1,095.48 for the 4.125% notes due 2021 and US$1,082.05 for the 3.750% notes due 2021.

The company accepted for repurchase US$528.2 million of its 3.500% notes, US$471.8 million of its 2.875% notes and US$245.7 million of its 9.000% notes by the early settlement date. The diversified miner also accepted US$47.5 million of its 3.500% notes, US$82.1 million of its 4.125% notes and US$122.2 million of its 3.750% notes.

The settlement will occur Oct. 12.

Meanwhile, Rio Tinto's offer to redeem about US$1.5 billion of its 2017 and 2018 U.S.-dollar-denominated notes will remain open until Oct. 26.