The cryptocurrency company on March 24 sought an amicable resolution of the matter.
He said the suspect would be charged to court upon the conclusion of investigations.
Mr Hammajoda noted that corruption remained a global menace that required collective efforts to combat.
Videos on social media showed demonstrations in an atmosphere filled with tear gas fumes at the anti-graft agency’s headquarters.
Documents show that Mr Wike’s wife, Justice Eberechi Suzzette Nyesom-Wike of the Court of Appeal, executed quitclaim deeds transferring the lakeside assets to their children.
The EFCC spokesperson said the general overseer claimed that the Ford Foundation offered a $20 billion grant to assist the less-privileged.
Ms Oyo-Ita and others were arraigned for alleged fraud regarding duty tour allowance, estacodes, conference fees and receiving kickbacks on contracts.
“All of us are going to declare our assets from level 17 downward. I did mine, so there’s no reason for anyone to be afraid to do the same. Even the commission secretary did.”
The NPDC is a subsidiary of the Nigerian National Petroleum Corporation, the only entity licensed to explore the nation’s crude oil and gas for fuel and other products.
The announcement comes days after Mr Matawale tried to preempt the investigation by publicly accusing the anti-graft authority of bias and corruption.
