Russia increased aluminum production tentatively 4% year-on-year in April to 318,000 tonnes, said Aluminii, a Moscow-based consultancy.
Russian alumina output rose 0.3% to 270,575 tonnes.
CIS aluminum production grew 3.7% to 361,498 tonnes. Ukraine reduced production 1.4% to 9,290 tonnes but Tajikistan raised it 2.4% to 34,170 tonnes.