Zions Bancorporation reported unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2017. For the quarter, the company reported total interest income of $562 million compared to $501 million a year ago. Net interest income was $526 million compared to $480 million a year ago. Net interest income after provision for loan losses was $537 million compared to $483 million a year ago. Income before income taxes income was $259 million compared to $207 million a year ago. Net income was $123 million compared to $137 million a year ago. Net earnings applicable to common shareholders were $114 million compared to $125 million a year ago. Diluted net earnings per common share were $0.54 compared to $0.60 a year ago. Book value per common share was $36.01 at December 31, 2017 compared to $34.09 a year ago. Tangible book value per common share decreased to $30.87 at December 31, 2017, compared to $29.06 a year ago. Return on average assets was 0.74% against 0.88% a year ago. Return on average common equity was 6.3% against 7.1% a year ago. Tangible return on average tangible common equity was 7.4% compared to 8.4% a year ago.

For the year, the company reported total interest income of $2,192 million compared to $1,954 million a year ago. Net interest income was $2,065 million compared to $1,867 million a year ago. Net interest income after provision for loan losses was $2,041 million compared to $1,774 million a year ago. Income before income taxes income was $936 million compared to $705 million a year ago. Net income was $592 million compared to $469 million a year ago. Net earnings applicable to common shareholders were $550 million compared to $411 million a year ago. Diluted net earnings per common share were $2.60 compared to $1.99 a year ago.

For the fourth quarter, the company's total net charge-offs were $12 million compared to $27 million a year ago.

For the fiscal year 2018, the company expects its statutory and effective tax rates to both be in the 24%-25% range. The company expects net interest income to increase moderately over the next 12 months. The company expects adjusted noninterest expense to increase slightly in 2018 compared with 2017, although the company expects revenue to grow at a faster pace, and therefore, the company expects additional improvement in the efficiency ratio in 2018.