Embattled German auto giant Volkswagen said Wednesday it booked a charge of 2.2 billion euros ($2.4 billion) in the first six months in relation to engine-rigging scandal, but its operating performance before that charge was better than expected. 

"Group operating result before special items for the first six months stood at 7.5 billion euros, despite the ongoing economic impact from the diesel issue," VW said in a statement. 

"In addition, special items totalling 2.2 billion euros mainly related to further legal risks predominately arising in North America, have been included in the first half year results. The operating result after special items amounted to 5.3 billion euros," the carmaker said.