We believe Alpek S.A.B. de C.V. 's weakened profitability and diminished competitive advantages will prevent its operations from recovering for the next couple of years, which makes for a less favorable comparison with investment-grade peers. This led us to revise our assessment of Alpek's business risk profile to fair from satisfactory. As a result, S&P Global Ratings lowered its issuer credit and issue-level ratings on Alpek to 'BB+' from 'BBB-'. Given the drop in the issuer credit rating to 'BB+', we assigned a '3' recovery rating to the company's senior unsecured debt, indicating our expectation for meaningful recovery (50-90%; rounded estimate: 60%) in a simulated default scenario. Our negative outlook on Alpek reflects concerns that further downgrades are possible if