U.S.-based oil and gas exploration and production company Northern Oil&Gas Inc. has announced the completion of its exchange for a portion of its unsecured notes for a combination of equity and new second-lien secured notes. We are lowering the corporate credit rating on Northern Oil&Gas to 'SD' from 'CC'. We are also lowering the issue-level rating on the company's senior unsecured notes to 'D' from 'CC'. On May 16, 2018, S&P Global Ratings lowered its corporate credit rating on Northern Oil&Gas Inc. to 'SD' (selective default) from 'CC'. At the same time, we lowered the issue-level rating on the company's senior unsecured debt to 'D' from 'CC'. We will review our recovery ratings on