We have identified an analytical error involving misapplication of our criteria. As a result, we no longer rate Highmark Inc.'s senior debt at the same level as our issuer credit rating on the company. We are consequently correcting our issue-level rating on Highmark's senior unsecured notes due 2021 and 2041 to 'A-' from 'A'. Our issuer and financial strength ratings on Highmark remain unchanged at 'A'. On May 27, 2020, S&P Global Ratings lowered its issue-level ratings on Highmark Inc.'s senior debt to 'A-' from 'A' to correct the misapplication of our criteria. Highmark's issuer and financial strength ratings remain unchanged at 'A'. Under our Insurers Rating Methodology criteria, debt instruments that are subordinated to policyholder obligations are rated one