Twitter has reported that its fourth-quarter net earnings fell to 119 million US dollars (£92 million) from 255 million (£197 million) in the same period a year earlier.
The San Francisco-based tech company said it had net income of 15 cents per share.
Earnings, adjusted for one-time gains and costs, were 17 cents per share.
The short messaging service posted revenue of 1.01 billion US dollars (£780 million) in the period, 11% higher than a year ago.
For the whole year, Twitter posted net income of 1.47 billion US dollars (£1.13bn) on revenue of 3.46 billion US dollars (£2.67bn)
The company had 152 million daily users in the latest quarter, up from 145 million in the previous quarter.