The agreement also barred her from being a spokesman for the Reds.
The agreement, which went into effect in May, barred department employees from giving the public "sensitive but unclassified" information.
But he said the agreement barred him from telling the commission about it.
Some agreements, notably those dealing with chemical warfare, have successfully barred specific weapons in war as well.
The suit seeks to prevent the settlement because of concerns that the agreement barred their right to sue Exxon.
The agreement also bars prosecutors from publicly discussing the merits of the case.
The agreement also bars the Government from seeking information that Drexel's lawyers obtained in the course of an internal investigation.
The agreement also barred them permanently from the unions.
To justify the minimal price tag, which remains undisclosed, the agreement will bar large-scale commercial development, according to people familiar with the discussions.
The agreement barred anyone involved in the case from making public comments about a dispute that had drawn vast public interest.