Phase One of the Phoenix Convention Center expansion opened in July when the West Building was unveiled. The facility includes 65,000 gross sf of exhibit space, 50,000 sf of meeting space, and a 45,000 sf multi-purpose ballroom. Highlights include a 21,000-sf conference-style meeting space level inclusive of a 192-seat amphitheatre, a 140-foot glass atrium, and the ballroom which includes telescoping risers with 1,200 integral folded seats to enhance site lines.