"They are safe and sound," he said, refusing to give any further information.
More than 50 gunmen dressed in Iraqi security forces uniforms and using 17 official vehicles broke into an Oil Ministry compound on Aug. 14 and abducted the five officials, who also included a top official in the State Oil Marketing Organization and three directors general in the operation.
Five ministry security guards were wounded in the raid.
Al-Shahristani described the attack as a "terrorist blitz" aimed at crippling Iraq's oil industry.
Five Britons were seized May 29 in a similar raid on Iraq's Finance Ministry, not far from the oil facility. They were taken by gunmen wearing police uniforms and have not been found.
Both government organizations are near the lawless Sadr City Shiite enclave, a stronghold of the Mahdi Army militia.
Most EU countries are allied with US-dominated NATO - a killing machine involved in smashing one sovereign state after another. It's responsible for vast destruction, millions of casualties, and appalling human misery from the rape of Yugoslavia and post-9/11 US-led wars of aggression - based on Big Lies and deception.