The affirmation reflects Sanofi’s resilient operating performance and low indebtedness.

The rating action reflects our view of delayed deleveraging against our previous expectations.

The ratings continue to reflect Sanofi's improved positioning in growth sectors like rare diseases and immunology as well as management's credit-supportive financial policy.

The ratings reflect the company's leading position in a number of therapeutic areas as well as recent success with newly approved drugs contributing to a good credit metrics recovery in 2019, which Scope expects to continue.

The rating reflects Sanofi's leading positions in vaccines, anti-diabetics and rare diseases within a credit-supportive underlying industry as well as the strong recovery for credit metrics expected by rating agency.