...OVERVIEW + Angola's general government debt as a percentage of GDP, net of liquid assets, increased significantly in 2018, partly due to the impact of the sharp depreciation of the Angolan kwanza on the government's foreign currency-denominated debt stock. + We expect a forecasted lower average Brent oil price of $55 per barrel in 2019-2022 to swing Angola's fiscal and current accounts into deficits over the medium term. + Nevertheless, the government's efforts to reform the business environment should support higher economic growth and help stabilize debt levels from 2019 onward. + We are revising the outlook on Angola to negative from stable and affirming the long- and short-term sovereign credit ratings at 'B-/B'. + The negative outlook reflects the possibility of a downgrade if the high government debt burden makes Angola's financing needs unsustainable, or if fiscal or external pressures lead to larger-than-expected twin deficits. RATING ACTION On Feb. 8, 2019, S&P Global Ratings revised...