Lafayette-based IberiaBank Corp.’s fourth-quarter earnings jumped to $44.4 million, or $1.08 per share, compared with $35.9 million, or $1.07 per share, a year earlier.

The company’s fourth-quarter profit was lowered slightly by non-operating expenses, which reduced earnings by 3 cents per share after taxes.

Daryl G. Byrd, president and chief executive officer, said IberiaBank increased operating revenues and reduced expenses, despite the rapid and sustained decline in crude oil prices. Energy-related loans accounted for 4.8 percent of IberiaBank’s portfolio. As of the end of 2015, $8.4 million in energy loans were nonperforming, representing 1.2 percent of all IberiaBank’s energy loans. The bank has about $27 million in reserves set aside for energy related loans.

“In 2015 we attained record levels of annual total revenues, loan originations, mortgage production and sales, title insurance income, retail brokerage income, treasury management income, and many other measures,” Byrd said in a statement. “I’m very pleased with our achievements this past year, our continued client growth, strength in asset quality and capital, and enhanced operating leverage, efficiency, and profitability.”

For the year, IberiaBank had $142.8 million in net income, or $3.69 per common share, compared with nearly $105.4 million in earnings for 2014, or $3.31 per common share.

Shares of IberiaBank closed at $44.78 on Wednesday, an increase of 30 cents, or 0.67 percent.

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