Colombia's Ecopetrol (EC) reported Q4 net income of 3.898 trillion pesos ($955.9 million), down from 4.228 trillion pesos a year earlier.
One analyst polled by FactSet expected 3.134 trillion pesos.
Revenue for the quarter that ended Dec. 31 was 34.792 trillion pesos, down from 34.794 trillion pesos a year earlier.
Analysts surveyed by FactSet expected 34.081 trillion pesos.
Shares of Ecopetrol traded 1.9% higher in after-hours activity.
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