Mining group Anglo American has announced it will acquire an additional stake of up to 40% in its diamond subsidiary De Beers for as much as $5.1 billion. We believe that the impact on the financial risk profile of Anglo American is likely to be largely offset by the expected sale of its 49% in Anglo American Sur S.A. to Chile's state-owned copper producer Codelco. As a result, we are affirming our 'BBB+/A-2' long- and short-term ratings on Anglo American. The stable outlook reflects our view that the company will likely maintain healthy credit metrics, on the expectation that both transactions go through. PARIS (Standard&Poor's) Nov. 7, 2011--Standard&Poor's Ratings Services said today it affirmed its 'BBB+'