[7] The building was the result of a 50–50 joint venture between Australian Guarantee Corporation (AGC) and the Japanese C. Itoh and Shimizu.

[11] The roof of the building has been used as a base from which to launch shells in the annual City of Perth Skyworks fireworks display.

[7] Westpac put the tower's leasehold on the market in late 1996 at a hefty discount to its development cost.

[2] By 2006, the building was jointly owned by Stockland Trust Group and Colonial First State Property PPS Fund.

[21] The building features a 150-seat conference centre and uninterrupted river views from most levels[23] all across Perth Water and west all the way to Rottnest Island.

[11] The building has 34,479 square metres (371,130 sq ft) of net lettable area[2] across 33 commercial office levels.