Iproeb said total revenue rose 12.3% on the year to RON57.6 million in January to June, while overall costs were up 9% to RON54.1 million.
Sales increased 6% to RON52.6 million, from RON49.6 million in the first six months of 2010.
Romanian company Electromontaj owns a 33.1% stake in Iproeb, while Dutch investment fund MEI Roemenie & Bulgarije holds 10.3%.
On the Bucharest bourse Wednesday, Iproeb closed flat at RON1.1 a share. (EUR1=RON4.2488)