LONDON (MarketWatch) -- National Bank of Greece nbg reported a 93% drop in first-quarter profit to 21 million euros, as 18% growth from its Turkish arm failed to offset 133 million euros in losses from its home market of Greece. Provisions for bad credit rose to 314 million euros from 235 million euros. The lender said its Tier 1 capital ratio rose 0.7 percentage points to 11.1%, and its loan-to-deposit ratio rose to 98% from 95%. It said the bank continues to possess "substantial" assets eligible for collateral for future issues of covered bonds.