We are affirming our long- and short-term foreign and local currency sovereign credit ratings on the Republic of Angola at 'BB-/B'. The stable outlook balances our view of Angola's low fiscal and external debt burdens against its institutional weaknesses, policy limitations, and lack of economic diversification. LONDON (Standard&Poor's) Aug. 22, 2012--Standard&Poor's Ratings Services said that it affirmed its long-term foreign and local currency sovereign credit ratings on the Republic of Angola at 'BB-'. We also affirmed our 'B' short-term foreign and local currency sovereign credit ratings on Angola. The transfer and convertibility (T&C) assessment of 'BB-' has also been affirmed. The outlook is stable. The ratings on the Republic of Angola are constrained by what we