The building has an unusual geometric shape where not one panel is parallel to any grid. The east façade bulges out slightly from its base, reaching its maximum width at the top floors. The curved and twisted shape of east façade is aimed to correspond spatially with Sydney Opera House and to represent the sublime marine environment of the harbour. The exterior glass curtain-wall extends beyond the main frame, creating an illusion of its independence. The steel spire attached to the north facade is 75 metres in length.