Fifth Third Bancorp, the largest lender based in Ohio, said second-quarter earnings were $12 million less than previously reported as it added to a reserve for litigation costs.

Fifth Third boosted the reserve by $18 million, which reduced earnings per share by 1 cent, according to a regulatory filing today by the Cincinnati-based firm. The adjustment means the bank had net income of $591 million, or 65 cents a share, in the quarter ended June 30.

"We don't discuss our reserves related to individual situations," Larry Magnesen, a bank spokesman, said in an e- mail. "We have a variety of legal and regulatory matters pending, and we make adjustments in our reserves for those types of matters."

Fifth Third fell 1.4% to $19.32 at 11:13 a.m. in New York. Shares have gained 27% this year compared with the 29% advance of the 24-company KBW Bank Index.

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