The Annex forms the northwestern anchor and destination for The Sky Garden.

Its tenants include high-end retail, various dining establishments, Cyberzone, a games arcade and a bowling center, creating a cutting-edge mix of shopping and entertainment.

The Annex's interiors are modern, centerd around a curlinear atrium which stretches its length.

Daylight is provided through a series of circular glass cones set into the ceiling, giving the interior a light, airy feeling.