...January 23, 2020 NEW YORK (S&P Global Ratings) Jan. 23, 2020--S&P Global Ratings today said it assigned its 'B+' debt rating on Navient Corp.'s proposed issuance of senior unsecured notes. The debt rating is one notch below the '##-' long-term issuer credit rating on Navient because the company's tangible unencumbered assets are less than its outstanding unsecured debt. We exclude from unencumbered assets the company's overcollateralization balances associated with its asset-backed securities trusts, although the company has successfully borrowed funds against the over-collateralized balances. Navient intends to use the proceeds for general corporate purchases, including debt repurchases. Our ratings on Navient reflect its business concentration in education loans and servicing, including its large portfolio of Federal Family Education Loan Program (FFELP) loans, which will run off over time, as well as legal and regulatory risk associated with servicing student loans. The company's large...