"DFCC's ratings reflect its strong financial performance, good asset quality and strong capital position," Fitch said.
"The ratings also take into account the bank's high exposure to riskier long-term project lending and less diversified funding base."
DFCC's profitability measured by return on assets remained strong at 2.6 percent by the end of the 2007 financial year. The contribution from its 29 percent-owned associate, Commercial Bank of Ceylon Ltd rated 'AA+(lka)', was substantial 21 percent of net profit.
The contribution from other entities and its 95 percent-owned subsidiary DFCC Vardhana Bank Ltd rated AA-(lka) was 7 percent.
The Central Bank of Sri Lanka has asked DFCC to trim its voting rights to 15 percent in Commercial Bank by 2008 and in Vardhana Bank by