LONDON, December 7. /TASS/. Moody's Investors Services changed the outlook on the "Ba1" corporate credit rating of the Russian oil major Tatneft from negative to stable, the international rating agency said on Monday.

Moody’s confirms the Tatneft’s rating at "Ba1" level.

The action "follows Moody's decision to change to stable from negative the outlook on the sub-sovereign rating of the Republic of Tatarstan, Tatneft's major shareholder on 4 December 2015, and reflects the stabilization of Russia's credit profile," Moody’s reported.