OUE Hospitality Trust (OUE H-Trust), which owns Mandarin Orchard Singapore and the adjoining Mandarin Gallery, will buy Crowne Plaza Changi Airport and the Crowne Plaza Changi Airport Extension for a total of S$495 million. It said on Friday (Nov 28) that conditional agreements have been made to acquire Crowne Plaza Changi Airport for S$290 million, as well as the extension for another S$205 million...