...Rating headroom is tight following weaker-than-expected 2022 credit metrics, and the debt deleveraging trajectory in 2023 faces risks. At-end 2022, British American Tobacco PLC's (BAT's) adjusted debt to EBITDA rose to about 3.5x (from 3.3x in 2021) and funds from operations to debt fell slightly to about 18% (from 20% in 2021). Both metrics are weaker than our previous base- case assumptions published in February 2022. Nevertheless, we continue to forecast that S&P Global Ratings-adjusted debt to EBITDA ratio will decrease to close to 3.0x over 2023-2024. Fiscal year (FY) 2022 adjusted EBITDA was slightly up at about ú11.8 billion in 2022 (versus ú11.5 billion in 2021), supported by high and stable profits from its U.S. operations (59% of operating profit in 2022). In contrast, ú771 million worth of restructuring eroded profitability in its Asia-Pacific, Middle Eastern, and European markets. BAT also incurred about ú700 million of litigation costs in 2022 while its profitable, but relatively...