Weibo (WB) reported Q1 non-GAAP earnings Wednesday of $0.45 per diluted share, up from $0.41 a year earlier.

Four analysts polled by FactSet expected $0.38.

Net revenue for the quarter ended March 31 was $396.9 million, compared with $395.5 million a year earlier.

Analysts polled by FactSet expected $394.2 million.

Shares of Weibo were up 4.5% in premarket activity.