Standard & Poor’s has assigned SIBUR its long-term issuer credit ‘BBB-’ rating. The outlook is stable.

SIBUR’s Blagoveshchensk site has held a ceremony to celebrate the completed reconstruction of the terephthalic acid production facility, the only one currently in Russia.

Fitch Ratings has upgraded SIBUR’s long-term issuer default rating (IDR) to ‘BBB-’ from ‘BB+’. The Outlook is Stable.