Prime Group Realty Trust announced that Younan Properties, Inc. and an affiliate (“Purchaser”), and the subsidiary of the Company (the “Seller”) that owns 180 North LaSalle Street in Chicago, Illinois (the “Property”), amended the purchase and sale agreement (the “Agreement”) to (i) provide Purchaser certain credits against the Purchase Price, and (ii) remove the Purchaser’s right to extend the closing date past December 17, 2008. ADVERTISEMENT The...