3M Co. announced it agreed to acquire medical technology company Acelity Inc. for a total consideration of $6.7 billion, and plans to finance the deal with mostly debt (commercial paper and new bonds) and some balance sheet cash. The acquisition is expected to close in the second half of 2019. As a result, we believe 3M's S&P Global Ratings-adjusted debt to EBITDA will increase to mid-2x in 2019 after the acquisition closes. While we expect the company to generate strong free cash flow and delever to around 2x in 2020, there is limited cushion to the debt leverage metric relative to our 2x downside threshold. Therefore, we are affirming all ratings on 3M, including our 'AA-' issuer credit rating, and