Source - SMW
Fitch Ratings has affirmed the Islamic Development Bank's long-term issuer default rating  at 'AAA' with a stable outlook. 

The short-term IDR has been affirmed at 'F1+'. 

The trust certificates issued by IDB Trust Services Ltd and guaranteed by IsDB have also been affirmed at 'AAA'. 

Fitch said the ratings reflected the intrinsic strengths of IsDB; in particular its 'excellent' capitalisation, low solvency risks and 'excellent' liquidity compared with other regional multilateral development banks.