...Qatar Islamic Bank (Q.P.S.C.)'s Issuer Default Ratings (IDRs) reflect potential support from Qatar, as reflected in the Government Support Rating (GSR) of `a'. The Negative Outlook reflects that on the Qatari sovereign rating (AA/Negative). QIB's Viability Rating (VR) reflects the bank's high exposure to Qatar's operating environment, strong company profile, which is underpinned by its leading domestic Islamic banking franchise, sound asset quality, despite high concentration, and solid profitability. The VR also reflects QIB's adequate capitalisation and stable funding and liquidity. GSR of 'a': The Qatari authorities have a strong propensity to support domestic banks, irrespective of their size or ownership. They also have a strong ability to do so, as indicated by the sovereign rating and substantial net foreign assets and revenue, although this is weakened by the local banking sector's large size relative to the domestic economy and a high reliance on external funding. Pressures on...