Revisions to Swiss law that come into effect on Jan. 1, 2024, will affect (re)insurance company insolvency procedures. As per the changes, senior debt issued by Switzerland-domiciled operating reinsurance companies will no longer rank pari passu to policyholder obligations but be subordinated to them in the event of liquidation. Therefore, we lowered our issue ratings on two senior debt issuances from Swiss Reinsurance Co. Ltd. and one issuance from Swiss Re Treasury (US) Corp. (guaranteed by Swiss Reinsurance Co. Ltd.) to 'A+' from 'AA-'. LONDON (S&P Global Ratings) Aug. 21, 2023--S&P Global Ratings today lowered to 'A+' from 'AA-' its issue credit ratings on three senior debts issuances from the Swiss Re group due to changes in Swiss Law that