Silicon Motion Technology (SIMO) reported Q1 non-GAAP earnings Wednesday of $0.60 per diluted American depository share, down from $0.64 a year earlier.

Analysts polled by FactSet expected $0.43.

Revenue for the quarter that ended March 31 was $166.5 million, down from $189.3 million a year earlier.

Analysts surveyed by FactSet expected $162.6 million.

The company expects Q2 revenue of $175 million to $183 million, while analysts polled by FactSet expect $181.9 million.

Silicon Motion shares were up 4.9% in recent premarket activity.