Strong evidence of government commitment to supporting the bank if financial stress persists; and Operations in a banking system with a strong track record of adequate regulation and good economic growth prospects. Fast asset quality deterioration due to weakening infrastructure sector loans; High credit exposure and concentration in infrastructure may still pressure capitalization levels throughout 2018; and Weak risk and financial management controls compared to the industry average, despite the new senior management's measures to address deficiencies. The negative outlook reflects our view the company's credit risks will remain high for the next 12 to 24 months. Faster-than-expected asset quality deterioration and higher-than-expected credit loss provisions could translate into lower capital levels if they're not offset by additional capital injections.