Simplify the following text for a Grade 8 native English-speaking person.
Original: Thus , the treaty establishing the Benelux Economic Union expired in 2010 and is replaced by a new legal framework ( Treaty revising the Treaty establishing the Benelux Economic Union ) , which was signed on June 17 , 2008 .
Simplified: The treaty establishing the Benelux Economic Union will expire in 2010 . It will probably be replaced by a new legal framework .