...August 6, 2020 - Mallinckrodt PLC announced that it is in discussions that could result in Chapter 11 proceedings in the near term, because of pressures related to a Centers for Medicare and Medicaid Services (CMS) rebate ruling, opioid litigation, and other risks. - We are lowering our issuer credit rating on Mallinckrodt one notch to '###-' from '###' and placing all ratings on CreditWatch with negative implications. We are also lowering the senior secured issue-level ratings to ###+ from B- and the senior unsecured issue-level ratings to C from ##. The recovery ratings of '1' and '6', respectively, are unchanged. - The downgrade and CreditWatch placement reflect our base-case scenario that Mallinckrodt will file for bankruptcy or negotiate a distressed exchange within the next six months. NEW YORK (S&P Global Ratings) Aug. 6, 2020--S&P Global Ratings today took the rating actions listed above. Reimbursement challenges and COVID-19-related pressures are increasing the possibility that...