Centrus Energy reported Q4 adjusted earnings late Thursday of $3.20 per diluted share, down from $3.58 a year earlier.
Two analysts polled by FactSet expected $1.64.
Revenue in the three months ended Dec. 31 rose to $151.6 million from $103.6 million a year earlier.
Three analysts surveyed by FactSet expected $106.7 million.
Shares of the company jumped 13% in after-hours activity.