Sotheby's announced unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2017. For the quarter, the company reported total revenue was $315.560 million against $308.689 million a year ago. Operating income was $107.575 million against $91.396 million a year ago. Income before taxes was $98.797 million against $86.227 million a year ago. Net income attributable to company was $76.709 million against $65.502 million a year ago. Diluted earnings per share - Sotheby's common shareholders were $1.43 against loss of $1.20 a year ago. Adjusted diluted earnings per share were $1.47 against $1.35 a year ago. The

For the year, the company reported total revenue was $989.389 million against $805.377 million a year ago. Operating income was $170.335 million against $122.616 million a year ago. Income before taxes was $141.686 million against $96.734 million a year ago. Net income attributable to company was $118.796 million against $74.112 million a year ago. Diluted earnings per share - company common shareholders were $2.20 against $1.27 a year ago. Adjusted net income was $121.699 million against $99.616 million a year ago. Adjusted diluted earnings per share were $2.25 against $1.71 a year ago.

The company expects effective tax rate to be in the range of 27%, which is still dependent on the mix of earnings among global businesses and any discrete items, as well as further guidance to be issued by the tax authorities.