Hua Nan Financial's (TPE:2880) recorded May unaudited net profit of NT$3.36 billion, according to a Thursday Taiwan Exchange filing.
Shares gained about 2% in Friday's late morning trade.
Cumulative net profit for the January-May period amounted to NT$14.5 billion, or NT$1.04 per share.
The company did not disclose comparative year-ago figures.