Posco DX (KRX:022100) posted second-quarter net income attributable to shareholders of 14.2 billion won, down 29.5% from 20.2 billion won a year earlier, according to a Thursday filing with the Korea Exchange.

The IT service management company's sales fell 22.7% year over year to 272.9 billion won from 353.02 billion won.

Shares of Posco DX fell 5% in recent trade.