As I have said before, the monetary aid given to Israel by the US is the consequence of the trilateral peace treaty signed by Israel, Egypt and the US. Unless the US wishes to break the treaty, it cannot change the aid in any manner.

First of all, for all that we know, this could be a misunderstanding by the reporters.

Or, this could be related to the peace agreement with Jordan.

In any case, the Americans can obviously do as they please, regardless of whichever agreements they've signed before. It may be more difficult than just doing something that's not involved with a direct agreement, but not impossible.