The revenue is from the illegal sale of forty eight million barrels of crude oil export from 2014 till date.
The chairman of the committee, Mark Gbillah who had announced that Malami will face the lawmakers yesterday, said the committee obtained reports that Malami received funds from outside the country through the whistle-blower policy, but did not remit it to the federation account.
The lawmaker also said the Minister of Finance, Budget and National Planning, Zainab Ahmed, approved payments to whistle-blowers which were not in accordance with the policy.
But appearing before the lawmakers, the Minister of Justice said disclosing the details of the whistle-blowers as requested by the committee violates confidentiality.
According to him, over six hundred and fifty million dollars have so far been recovered from different sources including late Head of State, General Sani Abacha; former Bayelsa State Governor, Diepreye Amamiesiegha, and former Delta State Governor, James Ibori