Arpeggio Acquisition Corporation Approved to Trade on Nasdaq National Market upon Consummation of Merger with Hill  
MARLTON, N.J. & NEW YORK—-June 23, 2006–Arpeggio Acquisition Corporation , a specified purpose acquisition company, and closely held Hill International, Inc. , a worldwide construction consulting firm, announced today that the Nasdaq Stock Market, Inc. has approved the application for the combined company’s common stock, warrants and units to trade on the Nasdaq National Market upon