A "rating" assigned by a rating agency (such as Moody's) represents an opinion on the creditworthiness of a company or a debt security.
Each rating agency uses its own methodology regarding the meaning of the ratings assigned.

Moody’s press release of 26th March 2020

Moody’s press release of 2nd October 2019

Long-term issuer rating Ba1
Long-term deposit rating Baa3
Short-term deposit rating P-3
Baseline credit assessment (BCA) Ba3
Outlook Positive

Date uf last update: 26/03/2020