The press release is in conjunction with the announcement of an investigation into the allegations. 

The plan, which reportedly involved former White House National Security Adviser Michael Flynn, Kushner and Trump fundraiser Thomas Barrack, would see the development of "dozens of nuclear power plants" in a "Middle East Marshall Plan" through IP3 - a private US company which has "assembled a consortium of US companies to build nuclear plants in Saudi Arabia." 

The whistleblowers allege that the efforts were made without review by Congress "as required by law," and may be ongoing to this day. 

"The whistleblowers who came forward have expressed significant concerns about the potential procedural and legal violations connected with rushing through a plan to transfer nuclear technology to Saudi Arabia.