Unum Group reported unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2017. For the quarter, total revenue was $2,839.2 million against $2,796.5 million for the same period prior year. Income before income tax was $345.3 million against $371.2 million for the same period prior year. Net income was $266.9 million or $1.19 per basic and diluted share compared to $248.0 million or $1.07 per basic and diluted share for the same period prior year.

For the full year, total revenue was $11,286.8 million against $11,046.5 million for the same period prior year. Income before income taxes was $1,404.0 million against $1,347.7 million for the same period prior year. Net income was $994.2 million or $4.37 per diluted share compared to $931.4 million or $3.95 per diluted share for the same period prior year. Book value per common share as of December 31, 2017 was $43.02, compared to $39.02 at December 31, 2016.

The company's expectation for after-tax adjusted operating income growth per share for full-year 2018 is revised to be within the range of 17% to 23%, compared to the original expectation of within a range of 4% to 7% established in December 2017 prior to the passage of tax reform legislation.