 Built on an empty plot of land right above the Circle line portion of Serangoon MRT station, NEX was developed by its then owner, Gold Ridge Pte Ltd and was completed in November 2010.As a regional mall, it had two food courts, Food Junction and Food Republic, a NTUC FairPrice Xtra hypermarket, a Cold Storage supermarket, a Shaw Theatres cineplex, an Isetan department store and more than 380 shops back then.The mall pioneered several firsts in Singapore, such as a rooftop dog park integrated with a dry and wet playground and Serangoon Public Library, the first public library to be built on a rooftop.