Windalco's parent company, Rusal, has signed a five-year, US$1 billion pre-export finance facility.
The facility is the first of its kind ever arranged by domestic and international banks in Russia.
Rusal said the facility grew from the originally-announced amount of US$750 million due to market support for its low-carbon and green aluminium smelting technology.
Rusal did not reveal the exact interest rate to be paid.
Rusal plans to use a portion of the proceeds of the loan to refinance a US$2 billion pre-export finance facility signed in 2017.